REPAIR AND MAINTENANCE OF PUMPS MOTORS AND DG SETS FOR WATER SUPPLY INSTLNS UNDER AGE E M OF GE SUKNA

Amount

Taking out complete motor-pump assembly (centrifugal / mono block) of capacity 1HP to 5HP of any make and type from foundation of different water supply installation for necessary repair / overhauling of and transporting to workshop and bringing back complete all as specified and as directed.

All as per Sl item No 1 above but of motor-pump assembly of capacity 7.5HP to 15HP.

All as per Sl item No 1 above but of motor-pump assembly of capacity 20HP to 30HP.

Carrying out overhauling of centrifugal / monoblock pump set of capacity 1 HP including replacement of worn out spares likes bearing, impeller, bushing etc, and reusing of existing serviceavle components after proper cleaning, machining all required and assembling, testing at workshop and spray painting with approved shade synthetic enamel paint complete all as specified and directed. Note:- (a) All new Spares / components required will be measured and paid separately under respective items. (b) Replacement of bolt/nuts/washers is deemed to be included in the items.

All as per Sl item No 4 above but of pump set of capacity 2HP.

All as per Sl item No 4 above but of pump set of capacity 3HP.

All as per Sl item No 4 above but of pump set of capacity 5HP.

All as per Sl item No 4 above but of pump set of capacity 7.5HP.

All as per Sl item No 4 above but of pump set of capacity 10HP.

All as per Sl item No 4 above but of pump set of capacity 15HP.

All as per Sl item No 4 above but of pump set of capacity 20HP.

All as per Sl item No 4 above but of pump set of capacity 25HP.

All as per Sl item No 4 above but of pump set of capacity 30HP.

Carrying out overhauling of motor assembly of capacity 1HP, cutting burnt winding wire, cleaning of core slots and re-winding of stator complete as per IS specifications using super enamelled copper winding wire of appropriate gauge and turn as per existing including providing all insulation materials & varnishing heating, replacement of worn out bushing, bearing terminals etc. including lubrication and assemnling the complete motor assembly, testing complete all as specified and as directed. Note:- All new Spares / components required will be measured and paid separately under respective items

All as per Sl item No 14 above but of motor assembly of capacity 2HP.

All as per Sl item No 14 above but of motor assembly of capacity 3HP.

All as per Sl item No 14 above but of motor assembly of capacity 5HP.

All as per Sl item No 14 above but of motor assembly of capacity 7.5HP.

All as per Sl item No 14 above but of motor assembly of capacity 10HP.

All as per Sl item No 14 above but of motor assembly of capacity 15HP.

All as per Sl item No 14 above but of motor assembly of capacity 20HP.

All as per Sl item No 14 above but of motor assembly of capacity 25HP.

All as per Sl item No 14 above but of motor assembly of capacity 30HP.

All as per ser item No 14 above but motor assembly of capacity 1HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 2HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 3HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 5HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 7.5HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 10HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 15HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 20HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 25HP and heating & varnishing only.

All as per ser item No 14 above but motor assembly of capacity 30HP and heating & varnishing only.

Supply only following spares / components as per existing make all as directed :-

Gland Packing of any size.

Hallide sheet 0.5mm to 3.5mm thick

Rubber sheet 2mm to 6mm thick

High Tension Nuts, Bolts & Washers

Impeller suitable for 2HP Pump

Impeller suitable for 3HP Pump

Impeller suitable for 5HP Pump

Impeller suitable for 7.5HP Pump

Impeller suitable for 10HP Pump

Impeller suitable for 15HP Pump

Impeller suitable for 20HP Pump

Impeller suitable for 25HP Pump

Impeller suitable for 30HP Pump

Pump shaft suitable for 2HP Pump

Pump shaft suitable for 3HP Pump

Pump shaft suitable for 5HP Pump

Pump shaft suitable for 7.5HP Pump

Pump shaft suitable for 10HP Pump

Pump shaft suitable for 15HP Pump

Pump shaft suitable for 20HP Pump

Pump shaft suitable for 25HP Pump

Pump shaft suitable for 30HP Pump

Pump shaft sleeve bush suitable for 2 HP Pump

Pump shaft sleeve bush suitable for 3 HP Pump

Pump shaft sleeve bush suitable for 5 HP Pump

Pump shaft sleeve bush suitable for 7.5 HP Pump

Pump shaft sleeve bush suitable for 10 HP Pump

Pump shaft sleeve bush suitable for 15 HP Pump

Pump shaft sleeve bush suitable for 20 HP Pump

Pump shaft sleeve bush suitable for 25 HP Pump

Pump shaft sleeve bush suitable for 30 HP Pump

Impeller Balancing ring suitable for 20 HP Pump

Impeller Balancing ring suitable for 25 HP Pump

Impeller Balancing ring suitable for 30 HP Pump

Gland Packing sleeve suitable for 2 HP Pump

Gland Packing sleeve suitable for 5 HP Pump

Gland Packing sleeve suitable for 7.5 HP Pump

Gland Packing sleeve suitable for 10 HP Pump

Gland Packing sleeve suitable for 20 HP Pump

Gland Packing retainer sleeve suitable for 25 HP Pump

Gland Packing retainer sleeve suitable for 30 HP Pump

Pump Casing wear ring suitable for 20 HP Pump

Pump Casing wear ring suitable for 25 HP Pump

Pump Casing wear ring suitable for 30 HP Pump

DE and NDE bearing suitable for 2 HP Pump

DE and NDE bearing suitable for 3 HP Pump

DE and NDE bearing suitable for 5 HP Pump

DE and NDE bearing suitable for 7.5 HP Pump

DE and NDE bearing suitable for 10 HP Pump

DE and NDE bearing suitable for 15 HP Pump

DE and NDE bearing suitable for 20 HP Pump

DE and NDE bearing suitable for 25 HP Pump

DE and NDE bearing suitable for 30 HP Pump

DE and NDE bearing suitable for 2 HP Motor

DE and NDE bearing suitable for 3 HP Motor

DE and NDE bearing suitable for 5 HP Motor

DE and NDE bearing suitable for 7.5 HP Motor

DE and NDE bearing suitable for 10 HP Motor

DE and NDE bearing suitable for 15 HP Motor

DE and NDE bearing suitable for 20 HP Motor

DE and NDE bearing suitable for 25 HP Motor

DE and NDE bearing suitable for 30 HP Motor

Motor terminal 3 Pole suitable for 2 HP to 5 HP

Motor terminal 6 Pole 7.5 HP to 10 HP

Motor terminal 6 Pole 15 HP to 20 HP

Motor terminal 6 Pole 25 HP to 30 HP

Taking up openwell submersible pump assembly any make / type and of capacity 0.5 HP to 5 HP manually from fountain or openwell etc. and transportation to workshop / MES store for necessary repair / safe custody, assembling pump and motor after repair work, preparation of external surface of pump and painting with one coat of synthetic enamel paint, reconnection & commissioning complete all as specified and as directed.

Dismantling and overhauling of submersible pump set of capacity 0.5 HP to 2 HP of any type and make including cleaning and de-rusting of casing, replacement of worn out spares and refixing of existing serviceable components after proper cleaning, machining all as required and assembling, testing at workshop complete all as specified and as directed. Note :- All new Spares / components required will be measured and paid separately under respective items.

All as per ser item No 36 above but submersible pump set of capacity 3HP to 5 HP.

Taking out burnt winding from submersible pump set of 0.5 - 2 HP capacity and including rewinding using insulated copper winding wire of appropriate gauge and turn, providing insulation materials and replacement of connected accessories, assembling complete all as specified and directed. Note :- (i) Rates quoted shall deemed to be include rate of winding wire & insulation material. (ii) Spares / components required except those mentioned in Note (i) above will be measured and paid separately under respective items.

All as per Sl. item No. 38 above but 3 - 5 HP

Supply only following spares / components as per existing make all as directed :-

Brass impeller for 0.5 - 2 HP submersible pump.

Brass impeller for 3 - 5 HP submersible pump.

Bush bearing for 0.5 - 2 HP submersible pump

Bush bearing for 3 - 5 HP submersible pump

Sleeve for pump shaft for 0.5 - 2 HP submersible pump.

Sleeve for pump shaft for 3 - 5 HP submersible pump

Taking up submersible pump assembly of any capacity with and including column pipe of approximate 30 to 50 m length, using chain pulley block manually and including transporting to workshop and back for necessary repair and including lowering submersible pump and motor, reconnecting the column pipe to the existing rising main, all electrical connection complete all as specified and directed.

All as per Sl item No 41 above but submersible pump assembly of any capacity with and including column pipe of approximate 51 to 90 m length.

Dismantling for overhauling of multistage submersible pump of 7.5 - 12.5 HP capacity of any type and make including cleaning and de-rusting of casing, replacement of worn out spares, refixing of existing serviceable components after proper cleaning, machining as required and assembling, testing at workshop complete & painting with two coats of synthetic enamel paint over a coat of primer complete all as specified and directed. Note :- All new spares / components required shall be measured and paid seperately under respective items. Make of paint :- Jotun India Pvt Ltd / Apcolite (Asian) / Luxol (Berger) / Jenson & Nicholson Paints Ltd (Borolac) / Shalimar Paints Ltd (Superlac)

All as per Sl. item No. 43 above but 15 - 20 HP

Taking out burnt winding wire from submersible motor of 7.5 - 12 HP capacity and including rewinding using insulated copper winding wire of appropriate gauge and turn, providing insulation materials and replacement of spares and assembling complete all as specified and directed. Note :- (i) Rates quoted shall deemed to be include rate of winding wire & insulation material. (ii) Spares / components required except those mentioned in Note (i) above will be measured and paid separately under respective items.

All as per Sl. item No. 45 above but 15 - 20 HP

Supply only following spares / components as per existing make all as directed :-

Brass impeller for 7.5 - 12.5 HP submersible pump.

Brass impeller for 15 - 20 HP submersible pump

Stage casing bearing bush for 7.5-12.5 HP Submersible Pump

Stage casing bearing bush for 15 - 20 HP Submersible Pump

Shaft sleeve bush for 7.5 - 12.5 HP Submersible Pump

Shaft sleeve bush for 15 - 20 HP Submersible Pump

Suction bush for 7.5 - 12.5 HP Submersible Pump

Suction bush for 15 - 20 HP Submersible Pump

Stainless steel pump shaft for 7.5 to 12.5 HP Submersible Pump

Stainless steel pump shaft for 15 - 20 HP Submersible Pump

Pump shaft key for Submersible Pump

Stainless steel stud with nut for Submersible Pump.

Oil seal for plunger for Submersible pump.

Gun metal bush for 7.5 HP - 20 HP submersible pump motor.

Thrust bearing complete with carbon for 7.5 to 12.5 HP submersible motor.

Thrust bearing complete with carbon for 15 - 20 HP submersible pump motor.

Thrust bearing plate upto 7.5 - 12.5 HP submersible pump motor.

Thrust bearing plate for 15 - 20 HP submersible pump motor.

Neck ring for 7.5 - 12.5 HP Submersible Pump

Neck ring for 15 - 20 HP Submersible Pump

Lowering submersible pump assembly including column pipe 50 mm / 80 mm bore in the existing bore well upto 30 m to 50 m from ground level by chain pulley, reconnecting the column pipe to the existing rising main and all electrical connection and testing complete all as directed.

All as per Sl item No 48 above but submersible pump assembly of any capacity with and including column pipe of approximate 51 to 90 m length.

S&F in repairs PVC insulated 10 sqmm 3 core flat submersible cable copper conductor 1100 V grade in bore hole / over the ground, alongwith submersible pump / centrifugal pump sets including necessary jointing materials / kit and connecting with motor and starter terminals and testing complete all as specified and directed. Make :- Havells / KEI / Polycab / RR Kabel Ltd. / HPL

All as per Sl. item No. 50 above but 6 Sqmm.

All as per Sl. item No. 50 above but 4 Sqmm.

All as per Sl. item No. 50 above but 2.5 Sqmm.

S&F in repairs single phase preventer suitable for 5 to 20 HP motor panel complete all as specified and directed. Make:- ABB / BCH / L&T / Siemens / C&S / Schneider

S&F in repairs rubber coupling suitable for 2 to 3 HP capacity centrifugal pump set complete all as specified and directed.

All as per Sl. item No. 55 above but for 5 to 7.5 HP.

All as per Sl. item No. 55 above but for 10 to 15 HP.

All as per Sl. item No. 55 above but for 20 to 30 HP.

S&F in repairs 10 sqmm PVC insulated flexible and stranded copper conductor cable, unsheathed, drawn through and including PVC flexible conduit of suitable size, copper lugging to connect panel board maintaining color code complete all as specified and directed. Make :- Havells / KEI / Polycab / RR Kabel Ltd. / HPL

All as per Sl. item No. 59 above but 6 Sqmm

S&F in repairs contactor for 7.5 HP to 12.5 HP motor starter complete all as directed.

S&F in repairs contactor for 15 to 20 HP motor starter complete all as directed.

S&F in repairs contactor for 25 to 30 HP motor starter complete all as directed.

S&F in repairs over load relay with actual setting for 7.5 to 12.5 HP motor starter complete all as directed.

S&F in repairs over load relay with actual setting for 15 to 20 HP motor starter complete all as directed.

S&F in repairs over load relay with actual setting for 25 to 30 HP motor starter complete all as directed.

S&F in repairs DOL starter, suitable for 1 - 3 HP centrifugal / monoblock pump set complete all as specified and directed. Make -BCH / Siemens / L&T / ABB / Schneider / C&S

All as per Sl. item No. 67 above but suitable for 5 HP.

All as per Sl. item No. 67 above but suitable for 1 - 3 HP, 415V, 3Ph submersible set.

All as per Sl. item No. 67 above but suitable for 5 HP, 415V, 3Ph submersible set.

S&F in repairs fully automatic, star delta, submersible motor starter with in-built single phase preventor suitable for 10 HP motor with suitable relay range complete all as specified and directed. Make -BCH / Siemens / L&T / ABB / Schneider / C&S

All as per Sl. item No. 71 above but suitable for 20 HP motor.

All as per Sl. item No. 71 above but suitable for 30 HP motor.

S&F in repairs on-load change over switch 63 Amp capacity four pole, 415 volts, open execution, front operating handle complete all as specified and directed. Make:- L&T / Legrand / ABB / Siemens / Schnieder / Havells India Ltd. / Indo Asian

S&F in repairs on-load change over switch 63 Amp, four pole, 415 volts, manual change over with SS enclosure complete all as specified and directed. Make:- L&T / Legrand / ABB / Siemens / Schnieder / Havells India Ltd. / Indo Asian

S & F in repairs check valve gunmetal body class class-1, screwed both ends suitable for 80 mm bore pipe and including necessary fixing arrangements such as nut, bolts, washers, gasket etc, complete all as specified and directed. Make:- Kirloskar / Leader / Zoloto / Venus / Audco / Upadhyaya

All as per Sl. item No. 76 above but 100 mm bore.

S&F in repairs 1HP automatic pressure booster, single phases, 230Volt, 50 Hz, CI housing, silent operation, suitable for hot and cold water applications with automatic start / stop feature according to demand complete all as specified and directed. Make- CERA / GRANDFOS / CRI / KSB

S&F in repairs 80 mm bore non return valve, swing type, bye pass arrangement, cast iron body class PN-1.6, conforming to IS-5312, with flanged ends drilled suitable including necessary fixing arrangements such as nuts, bolts, washers, gaskets etc. complete all as specified and directed. Make:- Kirloskar / Leader / Zoloto / Venus / Audco / Upadhyaya

S&F in repairs 80 mm bore & 10 feet long MS heavy duty seamless column pipe suitable for socket joint, including sockets, wall thickness not less than 6 mm, both end threaded with 8 TPI and one end having heavy duty socket conforming to IS-1239 complete all as specified and directed.

S&F in repairs heavy duty MS Socket of 125mm Length & suitable for 80 mm MS column pipe, having threads 8 TPI, including painting socket with 2 coat of synthetic enamel paint over a coat of primer complete all as specified and as directed.

Carrying out “A” Check (daily) maintenance of serviceable DG Sets as per manufacturer’s instruction and as given below for 25 KVA to 320 KVA DG Set complete all as specified and directed. NOTES:- i) "A" check maintenance shall include:- a) Checking of oil level b) Checking cleaniness of DG set and cleaning the same c) Checkng battery voltage d) Checking any leakage e) Checking all filter condition f) Checking coolant level g) Checking 'V' belt condition ii) DG set of any capacity as and when required to be maintained.

Carrying out “B” Check maintenance of serviceable DG Sets as per manufacturer’s instruction and as given below (after running of 250 to 300 Hours) for 25 to 82.5 KVA DG Set complete all as specified and directed. NOTES:- i) "B" check maintenance shall include:- a) Changing of oil b) Changing oil filter, fuel filter, bypass filter & gasket c) Changing Air filter d) Removing water from water separator e) Changing gasket for piston head ii) Supply only spares, components, engine oil etc, for carrying out “B” check maintenance shall be measured and paid separately.

All as per Sl. item No. 83 above but for 110 to 320 KVA DG Set

Carrying out “C” Check maintenance of serviceable DG Sets as per manufacturer’s instruction (after running every 1500 Hours) for 25 to 82.5 KVA DG Set complete all as specified and as directed. NOTE:- i) "C" check maintenance shall include:- a) Changing of oil b) Changing oil filter, fuel filter, bypass filter & gasket c) Changing Air filter d) Removing water from water separator e) Cleaning of radiator with chemical including supply of chemical f) Checking of all electrical terminals & thimbles g) Checking polluciton level h) Engine injector setting j) Changing gasket for piston head ii) Supply only spares, components, engine oil etc, for carrying out “C” check maintenance shall be measured and paid separately.

All as per Sl. item No. 85 above but for 110 to 320 KVA DG Set

Carrying out “D” Check maintenance of serviceable DG Sets as per manufacturer’s instruction (after running every 3,000 Hours) for 25 to 82.5 KVA DG Set complete all as specified and as directed. NOTES:- i) "D" check maintenance shall include:- a) Turbo charger service b) Injector pin service c) Cylinder head service d) PT pump service e) Changing piston bearing f) Changing of nozzles g) Changing of piston cylinder h) Changing of canopy filter (If directed by Engr-in-Charge) j) Checking polluciton level ii) Supply only spares, components, engine oil etc, for carrying out “D” check maintenance shall be measured and paid separately.

All as per Sl. item No. 87 above but for 110 to 320 KVA DG Set

Supply only following spares as per existing make all as directed :-

Engine oil 20W40 / 10W40 Grade. Make:- Servo / Castrol / HP / Indian Oil Ltd. / Bharat Petroleum

Coolant for DG set. Make:- TVS, Castrol, Bharat Petroleum, HP

Distilled water for battery set.

Oil Filter for 25/30 KVA DG set.

Oil Filter for 50/62.5 KVA DG set.

Oil Filter for 75 KVA DG set.

Oil Filter for 110 KVA DG set.

Oil Filter for 180 KVA DG set.

Oil Filter for 180 KVA DG set.

Lube Oil Filter for 310 KVA DG set.

Lube Oil Filter for 320 KVA DG Set.

Fuel Filter for 25/30 KVA DG Set.

Fuel Filter for 50/62.5 KVA DG Set.

Fuel Filter for 75 KVA DG Set.

Fuel Filter for 110 KVA DG Set.

Fuel Filter for 180 KVA DG Set.

Fuel Filter for 180 KVA DG Set.

Fuel Filter for 310 KVA DG Set.

Fuel Filter for 320 KVA DG Set.

By Pass Filter for 180 KVA DG Set.

By Pass Filter for 180 KVA DG Set.

Air Filter for 75 KVA DG Set.

Air Filter for 110 KVA DG Set.

Air Filter for 180 KVA DG Set.

Air Filter for 310 KVA DG Set.

Air Filter for 320 KVA DG Set.

Air Filter for 62.5 KVA DG Set.

Air Filter for 25/30/50 KVA DG Set.

Automatic voltage regulator 310 KVA

Automatic voltage regulator 180 KVA

Automatic voltage regulator 62.5 KVA

Automatic voltage regulator 30 KVA

Lube oil pressure sensor

V Belt for 180 KVA DG set.

V Belt for 62.5 KVA DG set.

Piston ring for 75/180 KVA DG Set

Gasket Set with Head Gasket for 75 KVA DG Set.

Gasket Set with Head Gasket for 180 KVA DG Set.

Exhaust Valve for 75 / 180 KVA DG Set.

Inlet Valve for 75/180 KVA DG set.

Water Pump Repair Kit for 180 KVA DG Set.

Water Pump Assembly for 180 KVA DG Set.

Turbocharger Assembly for 310 KVA DG set

Maintenance free 12V 180 AH Battery

M&L taking out self starter for carrying out repair / overhauling of self starter assembly for 50 / 60 KVA DG Set and including replacement of following spare parts and refixing and testing complete all as specified and directed:- i) Armature- 01 No ii) Clutch Plate- 01 Set iii) Solenoid Switch- 01 No iv) Carbon Brush- 01 Set v) Field Coil- 01 No vi) Carbon Rocker- 01 No

M&L taking out self starter for carrying out repair / overhauling of self starter assembly for 180 KVA DG Set and including replacement of following spare parts and refixing and testing complete all as specified and directed:- i) Armature- 01 No ii) Clutch Plate- 01 Set iii) Solenoid Switch- 01 No iv) Carbon Brush- 01 Set v) Field Coil- 01 No vi) Carbon Rocker- 01 No

Dismantling of alternator assembly of 50 / 60 KVA DG set and including carrying out heating and varnishing of field / stator coil and rotor / armature assembly using class "E/H" (as applicable) insulating varnish overhauling, replacement of unserviceable parts, transportation to workshop complete all as specified and directed. Note: Supply only spares shall be measured and paid seperately.

All as per Sl. item No. 92 above but for 180 KVA DG Set

Taking out alternator assembly from the base of DG Set incl disconnection of cable for carrying out routine maint /major repair at outside workshop in the following phase of work for 180 KVA DG Set installed at Signal Centre Power House (i) Transportation of alternator from Signal Centre Power House to outside Workshop. (ii) Dismantling of alternator assembly, removing all dust, carbon particle etc from housing, removing burnt / damaged winding of field coil / stator assembly, rotor / armature assembly, cleaning of Exitor unit using carbon Tetra Chloride & blowing of forced air. (iii) Carrying out rewinding by super enamelled copper wire and varnishing and heating of field / stator coil and Rotor / armature assembly using class "E/H (as applicable) insulating varnish incl necessary partial replacement of insulating materials viz, insulated cotton tape, fiber glass tape, Empire tubes of different size insulating board / packing / separator materials all as required and as directed by Engineer- in-Charge as per existing arrangement. (iv) Carrying out testing of alternator after assembling with Engine all as directed and to the entire satisfaction of Eng-in- Charge.

M&L taking out unserviceable battery charging alternator and carrying out repair / overhauling of alternator for 50 / 60 KVA DG Set including replacement of following spare parts and refixing, testing complete all as directed:- i) Armature- 01 No ii) Carbon Brush- 01 Set iii) Carbon Rocker- 01 No. iv) Field Coil- 01 No

M&L for preparation of old painted surface of 50 KVA DG Set by scraping / brushing and cleaning with cloth and applying one coat of synthetic enamel paint by spray machine of approved quality and colour to match the existing one complete and lettering the SM and MES Number on the DG Set complete all as directed. Make of paint :- Jotun India Pvt Ltd / Apcolite (Asian) / Luxol (Berger) / Jenson & Nicholson Paints Ltd (Borolac) / Shalimar Paints Ltd (Superlac)

S&F Water pump assembly suitable for 320 KVA DG set complete all as specified and as directed.

Taking out radiator assembly from the DG Set including disconnection of hose for carrying out routine maint / major repair at out side workshop in the following phase of work for 180 KVA DG Set installed at Signal Centre Power House:- (i) Transportation of radiator from Signal Centre Power House to outside Workshop. (ii) Dismantling of radiator assembly, removing of all dust, carbon particle etc (iii) Carrying out repair, cleaning, making leak proof of radiator assembly incl filling of coolant replacement of gaskets, bolts nuts etc. Note:- Spare parts to be incorporated shall be measured and paid separately under respective items

M/S B B CONSTRUCTION

DEBABROTA ROY CHOWDHURY

PS ENTERPRISE

SHRI N.DAS

R N SAH N CO

GEETA CONSTRUCTION