PROVISION OF ADDL TRANSFORMER AT KHARGA SAINIK ARAMGARH (KSA) AND PROVISION OF 250 KVA AUTOMATIC VOLTAGE STABILIZER AND CONNECTED WORKS ELECT SUB STN 2 CGSR UNDER GE(UTILITY) AMBALA CANTT

Amount

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth and getting out in any type of HT/UG cables/pipes, foundation of poles, location fault of LT cable and stay assembly complete all as specified and as directed.

All as per item No. 1 above but excavation depth exceeding 1.5 metre and not exceeding 3.0 metre.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in soil of any description, complete, all as specified and as directed.

Removing excavated soil to a distance not exceeding 50 metre and deposited where directed at a level not exceeding 1.5m above the starting point, complete, all as specified and as directed.

Material and labour for Sand cushioning to cable with a layer of sand 8 cm deep before laying the cable and 15 cms deep after laying the cable (punned down to 18 cms depth after laying and stretching of cable ) complete all as specified and as directed. Note:- Punned thickness 18cm shall be measured for payment purposes.

Supplying and laying un-reinforced precast cement concrete cable cover, class HV, Type 1, with peak, size 250mm x 180 mm x 40 mm, complete all as specified and as directed.

Supplying and laying un-reinforced precast cement concrete cable cover, class HV, Type 1, with peak, size 300mm x 180 mm x 40 mm, complete all as specified and as directed.

Supply and laying sub class 'B' bricks old sizes over the HT/LT cable laid flat with width equal to length of brick, laid perpendicular to the cable for protection complete all as specified and as directed.

Supply and erect steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11.0 metres long) conforming to IS-1678 and including marking alternate 05 Nos white and black strip 30cm height with two coats of synthetic enamel paint including preparation of surfaces, upto 1.5 metre above the coping of pole, starting with black strip complete all as specified and directed. Note: Excavation and earth work and PCC for foundation, channel, clamps nuts, bolts to be measured and paid separately.

Material and labour for plain cement concrete 1:4:8 type D-2 (using 40 mm graded mechanically crushed stone aggregate), for mass filling in pole pit and foundation complete, all as specified and as directed.

Material and labour for plain cement concrete 1:3:6 type C-1 (using 20 mm graded mechanically crushed stone aggregates) for mass filling in stay pits and pole foundation, complete all as specified and as directed.

Supply and fixing of GI tubing, 80mm bore, light grade, for cable protection along/on poles/culvert/drainage or under road crossing, including necassary clamps, nuts bolts, saddle etc. complete, all as specified and as directed.

Supply and fixing of GI tubing, 50mm bore, light grade, for cable protection along/on poles/culvert/drainage or under road crossing, including necassary clamps, nuts bolts, saddle etc. complete, all as specified and as directed.

Material and labour of danger notice plate 1.60 mm thick of size 25x20 cm, mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size for HT, complete all as specified and as directed.

Supply, installing, testing and commissioning of air break gang operated triple switch (GODO) outdoor type, vertical mounting type of capacity 200 Amp with drop out fuse consisting 12 insulators, ISI marked mechanically operated, mounted on insulator and frame work with operating GI rods and mechanical work from ground level with locking arrangement including Godrej pad lock with two keys complete with fuse carrier and HT fuse element having upto 200 Amp rating suitable for HT 11 KV 50 HZ AC supply including necessary electric connection complete all as specified and directed.

Material and labour of lightning arrester expulsion type, suitable for 11000 Volt, with all fittings, trasmission class, discharge capacity 65 KA including connecting with HT line complete all as specified and as directed.

Material and labour for aluminium conductor steel reinforced (ACSR) weasel/squirrel conductor, including fixing, stretching on poles and proper noseling with binding wire to insulator of any size on 11 KV OH line as required at site complete all as specified directed.

Material and labour for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate not less than 1.5 m below normal ground level connected with GI earth strip of size 25x4 mm by means of nut, bolts, washers etc to eqpt/machinery all as shown in electric plate No 3 of SSR Pt I including PCC (1:3:6) pit, cover 50mm thick RCC 1:2:4 type B-1 using 8mm for steel bars @ 10 cm C/C both ways, 32 mm bore medium grade GI protection pipe, watering pipe 20 mm bore medium grade , funnel, wire mesh, also including earth work, common salt, charcol dust , including testing on completion complete all as specified and as directed. Note : The quoted rate shall include the cost of earth work, GI pipe for watering, GI protection pipe, funnel, wire wesh and RCC cover.

Material and labour for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate not less than 1.5 m below normal ground level connected with GI earth strip of size 32x6 mm by means of nut, bolts, washers etc to eqpt/machinery all as shown in electric plate No 3 of SSR Pt I including PCC (1:3:6) pit, cover 50mm thick RCC 1:2:4 type B-1 using 8mm for steel bars @ 10 cm C/C both ways, 40 mm bore medium grade GI protection pipe, watering pipe 20 mm bore medium grade , funnel, wire mesh, also including earth work, common salt, charcol dust , including testing on completion complete all as specified and as directed. Note : The quoted rate shall include the cost of earth work, GI pipe for watering, GI protection pipe, funnel, wire wesh and RCC cover.

Material and labour for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less than 1.5 mtr below ground level surrounded from all sides by char coal dust and common salt in alternate layers of 15 cm depth and earth plate electrode connected to galvanised earth lead wire of 4.0 mm dia by means of GI nuts bolts, check nuts and washers and connected to earthing test point drawn through 15 mm dia GI pipe for protection of GI earth lead wire including 20mm dia GI pipe for watering GI funnel PCC earth pit (1:3:6) type C-2 with CI frame and RCC cover all as shown in electrical Plate No 3 on SSR Part - I including testing complete all as specified and directed. Note : The quoted rate shall include the cost of earth work, GI pipe for watering, GI protection pipe, funnel, wire wesh and RCC cover.

Material and labour for cross arm bracing supports, clamp and back plates fabricated from structural steel section including nuts, bolts, washers, welding, bending cold or hot, drilling hole for bolts in any shape or size as indicated or directed including two coats of aluminium paint over a coat of red oxide primer complete, all as specified and as directed.

Supply and fixing pin type, porcelain, vitreous, white or brown or green insulators,11000 volts grade of 150 mm dia, 150 mm height including one galvanized mild steel spindle, two galvanised iron washers and one galvanized iron nuts complete all as specified and as directed.

Material and labour for Boring of holes under road, pavement, hard standing of any material and description, by trench less technology using ultra sound technique including providing HDPE pipe of 80mm dia suitable for 0.4 mpa working pressure complete, all as specified and as directed.

Supply and fixing of Retro reflective sign board of size 600mm x 750mm made of 3mm thick ACP sheet shall be fixed on MS frame with legs of MS angle section 35mm X 35mm X 4mm grouted in PCC 1:3:6 type C-1, 750mm above the ground level and 600mm below the ground level. The background of board to be provided with green colour, letters and border with white retro reflective tape. Same description shall be mentioned on both sides of ACP sheet complete all as specified and directed. NOTE:- (i) Excavation, earth work, PCC, nuts, bolts, fasners, paint on MS frame and legs shall be included in quoted rates by contractor. (ii) The size of letters and description shall be all as per sample approved by Engr-in-Charge.

Supply and fixing On load change over switch with Sheet Steel Enclosure 415 V, 4 pole, 400 Amps capacity fixed on walls for electric supply distribution between main and DG set incl necessary connection of cables from LT panels to change over switches complete all as specified and directed by Engr-in-Charge.

Supplying and laying of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, HT electric power cables (Heavy duty) with aluminium conductor, 11000 Volts grade, cross sectional area 95 Sqmm 3 core, suitable for 11 KV earthed system confirming to IS 7098 Part - 2 for insulation and for conductors Class 2 to IS 8130 - 84, in trenches, floors, ducts passing through pipe for road crossing etc., complete all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately).

Supply, Laying and connecting including testing XLPE cable underground PVC insulated and over all sheathed with aluminium conductor heavy duty 1100 volts cross sectional area 95 Sqmm 3.5 core grade laid in trenches, floors, ducts passing through pipe for road crossing etc complete all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately).

Supply, Laying and connecting including testing XLPE cable underground PVC insulated and over all sheathed with aluminium conductor heavy duty 1100 volts cross sectional area 150 Sqmm 3.5 core grade laid in trenches, floors, ducts passing through pipe for road crossing etc complete all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately).

Supply, Laying and connecting including testing XLPE cable underground PVC insulated and over all sheathed with aluminium conductor heavy duty 1100 volts cross sectional area 300 Sqmm 3.5 core grade laid in trenches, floors, ducts passing through pipe for road crossing etc complete all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately).

Supply, Laying and connecting including testing XLPE cable underground PVC insulated and over all sheathed with aluminium conductor heavy duty 1100 volts cross sectional area 240 Sqmm 3.5 core grade laid in trenches, floors, ducts passing through pipe for road crossing etc complete all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately).

Material and labour for Cable jointing kit suitable for 11 KV grade cable outdoor end termination, Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sqmm complete all as specified and as directed.

Material and labour for Cable jointing kit suitable for 11 KV grade cable indoor end termination, Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 to 120 sqmmcomplete all as specified and as directed.

Material and labour for Cable jointing kit suitable for 1.1 KV grade cable indoor end termination, Heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core x 240 sqmm XLPE armoured aluminium conductor cable complete all as specified and as directed.

Material and labour for Cable jointing kit suitable for 1.1 KV grade cable indoor end termination, Heat shrinkable type joint complete with jointing material and accessories suitable for 3.5 core x 95 sqmm XLPE armoured aluminium conductor cable complete all as specified and as directed.

Material and labour for LT end joint kit outdoor type of cable size 300 Sqmm 3.5 Core, including necessary connection of cable to Panel/ transformer after completion of end joints complete all as specified and as directed.

Material and labour for LT end joint kit outdoor type of cable size 95 to 150 Sqmm 3.5 Core, including necessary connection of cable to Panel/ transformer after completion of end joints complete all as specified and as directed.

Supply, installation, testing and commissioning of step down transformer out door type complete with standard fittings and accessories, HT 11 KV 3 Phase, LT 433 Volt, 3 Phase 4 wire with off load tap changer on primary side to carry secondary voltage + 5% to -10 with tappings at every 2.5 % all as per IS 1180/2014 (Level-II) of capacity 200 KVA, copper wound, oil cooling with fins vector group : DYn 11, including initial oil filling complete all as specified including the following accessories :- (a) Three Nos porcelain bushing HT 11 KV with brass bushing rods, nuts, bolts & washers etc inside cable end box. (b) One cable box LV side consisting of 4 Nos porcelain with brass bushing rods complete with nuts and washers suitable for runs of 3.5 core LT UG cable. (c) Oil conservator with filler type drain valve and oil level gauge. (d) Dehydrating breather with first fill of dehydrating agent. (e) Explosion vents. (f) Thermometer pocket on tank cover. (g) One No 100mm dia, dial type thermometer vapour pressure type having range 0 to 120 degree centigrade.

(h) Rating plate and terminal marking plate. (j) Earthing arrangement. (k) Oil level gauge. (l) Oil drain filter valve. (m) Oil drain valve. (n) Lifting hook. (o) Oil conservator with filling hole and cap. (p) Air relief valve plug. (q) Four plate solid cast steel detachable rollers. (r) Earth bushing for neutral outside the cable box for providing independent earthing for neutral. (s) Necessary channel on foundation for fixing the transformer with joint and stopper. Note :-The transformer should be Star rating and energy conservation (Energy conservation Binary Corps) for which necessasry test certificate to be produced by contractor from manufacturer of the trasformer."

Supplying, installing, testing & commissioning out door type cubical panel board of size 1.2Mtr x1.2Mtr x 0.5Mtr outer shell made out of 3.15 mm thick CRCA sheet including door and inner shell made out of 2 mm thick CRCA sheet and MS angle section 50x50x6 mm mounted on PCC 1:2:4 type B-1 platform 60 cm above and 45 cm below the ground level, frame factory fabricated with front & back openable, double door system and cable alloy (Each door hinged with body at 3 places with body and hinges should be welded with body and door) lockable/open able by Keys having chromium plated 19 mm dia fancy lock, “U” type gasket shall be used to make the outer shell completely vermin proof suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at factory approved from CPRI factory fabricated having modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS:8623/93 comprising of the following :-

a) TPN copper bus bar 400Amps insulated with colour coded heat shrinkable sleeve heavy duty and shall be mounted on suitable size “F” class insulators not less than 1.0 mtr long

b) Incoming MCCB 250 Amps 4 pole 415 Volts 25 KA AC,Icu=100%Ics, having microprocessor based release for over current,short circuit & earth fault front face isolation with positive break indication with double break contacts with spreader and phase barrier complete conforming to IS/IEC 60947-2 - 01 Nos

(c) Out going MCCB DP 40 Amps 230 volts 10 KA AC, - 40 Nos

(d) Spare cabin for 63 Amps MCCB - 01 Nos

(g) Indicator Lamp RYB 22.5mm dia LED type 240 volts AC with incoming includin back up protection by 2 Amp MCB RYB with holder-01 set of three.

(h) CT Coils of suitable ratio-01 Set.

Supplying, installing, testing & commissioning out door type cubical panel board of size 1.2Mtr x0.9Mtr x 0.5Mtr outer shell made out of 3.15 mm thick CRCA sheet including door and inner shell made out of 2 mm thick CRCA sheet and MS angle section 50x50x6 mm mounted on PCC 1:2:4 type B-1 platform 60 cm above and 45 cm below the ground level, frame factory fabricated with front & back openable, double door system and cable alloy (Each door hinged with body at 3 places with body and hinges should be welded with body and door) lockable/open able by Keys having chromium plated 19 mm dia fancy lock, “U” type gasket shall be used to make the outer shell completely vermin proof suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at factory approved from CPRI factory fabricated having modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS:8623/93 comprising of the following :-

a) TPN Copper bus bar 600Amps insulated with colour coded heat shrinkable sleeve heavy duty and shall be mounted on suitable size “F” class insulators not less than 1.0 mtr long

b) Incoming MCCB 400 Amps 4 pole 415 Volts 25 KA AC,Icu=100%Ics, having microprocessor based release for over current,short circuit & earth fault front face isolation with positive break indication with double break contacts with spreader and phase barrier complete conforming to IS/IEC 60947-2.

(c) Out going MCCB 200 Amps 4 pole 415 Volts 25 KA AC,Icu=100%Ics, having microprocessor based release for over current,short circuit & earth fault front face isolation with positive break indication with double break contacts with spreader and phase barrier complete conforming to IS/IEC 60947-2 - 03 Nos (Note :- two working and one No as standby)

(f) Indicator Lamp RYB 22.5mm dia LED type 240 volts AC with incoming includin back up protection by 2 Amp MCB RYB with holder-01 set of three.

(g) CT Coils of suitable ratio-01 Set.

Supplying, installing, testing & commissioning of LT feeder pillar panel size 1.2Mtr x1.2Mtr x50Cm with out door type cubical panel board outer shell made out of 3.15 mm thick CRCA sheet and inner shell made out of 2 mm thick CRCA sheet and MS angle section 50x50x6 mm mounted on PCC 1:2:4 type B-1 platform 60 cm above and 45 cm below the ground level, frame factory fabricated with front and rear openable double door system and cable alloy (Each door hinged with body at 3 places with body and hinges should be welded with body and door) lockable/open able by Keys having chromium plated 19 mm dia fancy lock, “U” type gasket shall be used to make the outer shell completely vermin proof suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at factory approved from CPRI for 35 MVA rupturing capacity at 415 Volts factory fabricated having modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS:8623/93 comprising of the following :-

a) TPN Copper bus bar 600 Amps insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size “F” class insulators not less than 1.0 mtr long

b) Incoming MCCB 400 Amps 4 pole 415 Volts AC with thermal magnetic 50 KA, Ics=100%, Icu class-2 front face isolation with positive break indication with double break contacts with spreader and phase barrier complete all as directed. - 01 No

(c) Outgoing MCCB 200 Amps 3 pole 50 KA 415 Volts. - 02 Nos

(d) '-ditto- but MCCB 125 Amp 3 pole 25 KA - 2 Nos

(g) Indicator Lamp RYB 22.5mm dia LED type 240 volts AC with incoming includin back up protection by 2 Amp MCB RYB with holder-01 set of three.

(h) CT Coils of suitable ratio -01 Set.

Supplying, installing, testing & commissioning of LT feeder pillar panel size 1.0Mtr x 1.0Mtr x60Cm with out door type cubical feeder pillar box outer shell made out of 3.15 mm thick CRCA sheet inner shell made out of 2 mm thich CRCA sheet and MS angle section 50x50x6 mm on PCC 1:2:4 type B-1 platform 45cm above the ground level and 30 cm below the ground level, frame factory fabricated with front and back open able double door system complete suitable for 3 phase 4 wire 415 Volt, 50 Hz, (a) TPN, copper bus bar 315 Amps insulated with colour coded heat shrinkable sleeve. (b) Incoming MCCB 4 pole 200 Amp 25 KA -01 No (c) Out going MCCB TPN 63 Amps - 04 Nos (d) Indicator lamps RYB –01 Set (e) Voltmeter 0-500 volts 96 mm square flush pattern-01 No. (f) Amp meter 0-200 Amps 96mm square flush pattern - 01 No

Notes for item No 38 to 41 :- (i) The quoted rate shall includes minor items such as lugs, nuts & bolts, washers, top insulators, sleeves,link spreater provision of extra holes in bus bar etc. (ii) All internal wiring shall be done with suitable size of PVC insulated solid copper conductor FRLS cable conforming to IS-694. (iii) Panel drawing shall be got approved before placing of order from Accepting officer. (iv) The bus connection for cable from main bus bar to outgoing MCCB will be connected through suitable rating bus bar strip type duly insulated. (v) The Panel shall be surrounded with 9 inch brick wall upto 0.5 mtr height all around the panel and blank portion between panel and wall shall be filled with PCC 1:2:4 incl masonary work leaving ducts for cables complete all as directed.

M&L for spreading, shingle or gravel, spread thickness 75 mm, spread, rolled and consolidated to gradient and camber required complete all as per direction of Engr-in-charge.

Excavating in post holes (or similar holes) each not exceeding 0.5 cum getting out , returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in any type of soil complete all as specified and as directed.

Supply only chain link fencing 4 mm dia and mesh size 40x40mm complete including line wires of any mesh size and to any type of standares, rails, straining bolts etc including provisioning of binding wire complete all as specified and as directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. complete all as specified and directed.

Supply and fixing Mild steel flat iron fillets (for securing wire mesh etc) including all necessary drilling, bolting or riveting etc, and similar work conforming to Fe 410-0 or Fe 250-E complete all as specified and directed.

Supply and fixing of rolled mild steel in framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing , cutting, drilling & welding, conforming to GDE Fe-410-0 or Fe-310-0 complete all as specified and as directed.

Supply and fixing for posts and struts in fencing including cutting tops to shape, drilling holes, notching for wire, etc, fixing of flat iron fillets (for securing wire mesh etc ) including all necessary drilling, bolting or riveting, painting work etc adn similar work conforming to Fe-290 Gde E-165 etc, wind ties for roof including inclusive of one primer coat of red oxide primer and two coats of aluminium paint complete all as specified and directed .

Supply and fixing brick work using sub class 'B' bricks straight or curved on plan exc 6 mtr mean radious, built in CM 1:6 and pointed flush as the work proceeds, including demolation of old bricks in lime/cement mortar complete all as specified and as directed.

Supply and filling Hard core with broken bricks of gauge not exceeding 63mm deposited spread and levelled in layers not exc 30cm thick each layer, watered and rammed to a true surface complete all as specified and as directed.

Material and labour for 10 mm thick rendering using cement morter 1:6 on fair surfaces of brick work or concrete surfaces to be finished even and smooth without using extra cement complete all as specified and as directed.

M&L for preparation of new steel surfaces of any description, not otherwise, described, over 10cm width or girth and applying two coats of synthetic enamel paint over one coat of read oxide, zinc chrome primer complete all as specified and directed.

M&L for preparation of new steel surfaces of any description, not otherwise, described, over 10cm width or girth and applying two coats of synthetic enamel paint complete all as specified and directed.

Dismanting and taking down of transformer of capacity upto 250 KVA by Pole mounting and installing on plinth, testing and commisioning of transformer complete all as specified and as directed. Note : Crane/Lift, tools and plants shall be arranged by the contractor.

Supply, install, test and commission of Servo control voltage stabiliser Capacity 250 KVA (Conforming as per BIS : 9815: Part-1 : 1994 reaffirmed 2009)3-phase, 50 Hz, Naturally Oil Cooled, outdoor, Unbalanced Type, copper wounded, Digital DisplayType, Relay Free smooth and silent, Operation with 1st filling of Transformeroil (IS335:1993 reaffirmed 2005) including suitable RCC foundation for fixing of stabilizer complete all as specified and directed by Engr - In- Charge. The following specification:- (a) Input voltage 300V-480V or as per ground requirements. (b) Output voltage stablized at any designed/desired voltage 415v +/- 1% (Adjustable) (c) Rated frequency 50 hz (d) No distortion in wave form. (e) Respons time not to exceed 10 mille seconds (f) Sensitivity /-) 1% (g) Rate of correction 8 volt/second for single phase and 20 volt/second for phase to phase (h) No load losses less than 0.5% (j) Full load losses less than 2.5% (k) Duty cycle - continuous 24 x 7 (l) Efficiency more than 95% (m) Type of load, 3 phase, unbalanced type (n) Digital display voltmeter/Ampmeter (o) Capacity 250 KVA (p) Overload/Short circuit protection (q) High/Low voltage cut off (r) By pass arrangement in case of emergency (s) Single phase sequence change protection.

R D Bansal

The Rahul Vig

Raman Electric Trading Co

Esha Engineers