Construction of 03 Nos. Class room with Toilet facility D S at GSS, Paschimsagar, under SD-III, CD, APWD, Diglipur

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil

Surface dressing of the ground including removing vegetation and in- equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m.

All kinds of soil

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form for

Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platform

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers, Abutments, Posts and Struts

Stairs, (excluding landings) except spiral-staircases

Weather shade, Chajjas, corbels etc., including edges

Providing precast cement concrete Jali 1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 6mm nominal size ), reinforced with 1.6 mm dia mild steel wire, including centering and shuttering, roughening cleaning, fixing and finishing in cement mortar 1:3 (1 cement: 3 fine sand) etc. complete, excluding plastering of the jambs, sills and soffits.

50 mm thick

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the manufacturer), of approvedmake, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete.

Fixed to openings /wooden frames with rawl plugs screws etc.

Providing and fixing aluminium sliding door bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with nuts and screws etc. complete :

Providing and fixing aluminium tower bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade with necessary screws etc. complete :

Providing and fixing aluminium handles, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade, with necessary screws etc. complete :

Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete.

Twin rubber stopper

Providing and fixing to existing door frames.

30 mm thick factory made Polyvinyl Chloride (PVC) door shutter made of styles and rails of a uPVC hollow section of size 60x30 mm and wall thickness 2 mm (± 0.2 mm), with inbuilt decorative moulding edging on one side. The styles and rails mitred and joint at the corners by means of M.S. galvanised/ plastic brackets of size 75x220 mm having wall thickness 1.0 mm and stainless steel screws. The styles of the shutter reinforced by inserting galvanised M.S. tube of size 25x20 mm and 1 mm (± 0.1 mm) wall thickness. The lock rail made up of ‘H’ section, a uPVC hollow section of size 100x30 mm and 2 mm (± 0.2 mm) wall thickness fixed to the shutter styles by means of plastic/ galvanised M.S. ‘U’ cleats. The shutter frame filled with a uPVC multi-chambered single panel of size not less than 620 mm, having over all thickness of 20 mm and 1 mm (± 0.1 mm) wall thickness . The panels filled vertically and tie bar at two places by inserting horizontally 6 mm galvanised M.S. rod and fastened with nuts and washers, complete as per manufacturer’s specification and direction of Engineer-in-charge.

Providing and fixing factory made P.V.C. door frame of size 50x47 mm with a wall thickness of 5 mm, made out of extruded 5mm rigid PVC foam sheet, mitred at corners and joined with 2 Nos of 150 mm long brackets of 15x15 mm M.S. square tube, the vertical door frame profiles to be reinforced with 19x19 mm M.S. square tube of 19 gauge, EPDM rubber gasket weather seal to be provided through out the frame. The door frame to be fixed to the wall using M.S. screws of 65/100 mm size, complete as per manufacturer’s specification and direction of Engineer-in-Charge.

Structural steel work in single section, fixed with or without connecting plate,including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Electric resistance or induction butt welded tubes.

Providing and fixing M.S. fan clamp type I or II of 16 mm dia M.S. bar, bent to shape with hooked ends in R.C.C. slabs or beams during laying, including painting the exposed portion of loop, all as per standard design complete.

Providing and fixing mild steel round holding down bolts with nuts and washer plates complete.

Providing and fixing bolts including nuts and washers complete.

Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer.

G.I. pipes

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

40 mm thick with 20 mm nominal size stone aggregate

Cement plaster skirting up to 30 cm height, with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement.

18 mm thick

Providing and laying Ceramic glazed floor tiles of size 300x300 mm(thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement :4 Coarse sand), jointing with grey cement slurry @ 3.3kg/sqm including pointing the joints with white cement and matching pigment etc. complete.

Providing and fixing plain multipurpose cement board (Hight pressure steam cured) with suitable screws for cement particle board in ceiling etc. complete (frame work to be paid seperatately).

6 mm thick Cement fiber board, Type-B, Category-III as per IS: 14862:2000

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

12 mm cement plaster finished with a floating coat of neat cement of mix :

1:4 (1 cement: 4 fine sand)

6 mm cement plaster of mix :

1:3 (1 cement : 3 fine sand)

White washing with lime to give an even shade :

New work (three or more coats)

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade

New work (Two or more coats applied @ 1.43 ltr/ 10 sqm. over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm).

Applying priming coat:

With ready mixed pink or Grey primer of approved brand and manufacture on wood work (hard and soft wood)

Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Providing & fixing White vitreous china water closet squatting pan (Indian type) along with "S" or "P" trap including dismantling of old WC seat and "S" or "P" trap at site complete with all operations including all necessary materials, labour and disposal of dismantled material i/c malba, all complete as per the direction of Engineer-in charge.

Orissa pattern W.C Pan of size 580x440 mm

Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350 mm and 340x410x265 mm sizes respectively with automatic flushing cistern with standard flush pipe and C.P. brass spreaders with brass unions and G.I clamps complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required :

One urinal basin with 5 litre white P.V.C. automatic flushing cistern

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

White Vitreous China Wash basin size 630x450 mm with a single 15 mm C.P. brass pillar tap

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete.

Semi Rigid Pipe 32 mm dia

Providing and fixing soil, waste and vent pipes :

100 mm dia. Sand cast iron S&S pipe as per IS: 1729.

75 mm diameter : Sand cast iron S&S pipe as per IS: 1729.

Providing and fixing plain bend of required degree.

100 mm dia Sand cast iron S&S as per IS - 1729

75 mm dia Sand cast iron S&S as per IS -1729

Providing and fixing terminal guard:

75 mm Sand cast iron S&S as per IS - 1729

Providing and fixing G.I. Pipes complete with G.I. fittings and clamps, i/c making good the walls etc. concealed pipe, including painting with anticorrosive bitumastic paint, cutting chases and making good the wall:

15 mm dia. nominal bore

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. : External work

20 mm dia. nominal bore

25 mm dia. nominal bore

40 mm dia. nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

25 to 40 mm nominal bore

Providing and fixing brass bib cock of approved quality :

15 mm nominal bore

Providing and fixing brass stop cock of approved quality :

15 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

25 mm nominal bore

40 mm nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work)

15 mm nominal bore

20 mm nominal bore

25 mm nominal bore

40 mm nominal bore

Providing and fixing rectangular high density polyethylene water storage loft tank with cover, conforming to ISI : 12701, colour of opaque white or as approved by Engineer-in-charge. The rate includesmaking necessary holes for inlet, outlet & over flow pipes. The base support i/c fittings & fixtures for tank shall be paid separately.

Providing and fixing powder coated aluminium work (minimum thickness of powder coating 50 micron) consisting of tee/ angle sections, of approved make conforming to IS : 733 in frames of false ceiling including aluminium angle cleats with necessary C.P. brass/stainless steel sunk screws, aluminium perimeter angles fixed to wall with stainless steel rawl plugs @ 450 mm centre to centre and fixing the frame work to G.I. level adjusting hangers 6 mm dia. with necessary cadmium plated machine screws all complete as per approved architectural drawings and direction of the Engineer-in-charge (level adjusting hangers, ceiling cleats and expansion hold fasteners to be paid for separately).

Providing and fixing 6 mm dia. G.I. level adjusting hangers (upto 1200mm length), fixed to roof slabs by means of ceiling cleats made out of G.I. flat 40x3mm size 60 mm long and stainless steel expandable dash fastener of 12.5 mm dia and 50 mm long, complete as per direction of Engineer -in-charge.

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately).

Superior hardwood Cat-II (A)

Providing cement concrete surface drain including earthwork excavation 10 cm thick base concrete and 15 cm thick side wall with 1:3:6 (1 cement :3 coarse sand : 6 graded stone aggregate of 40 mm nominal size) cement concrete finished with 1:4 ( 1 cement :4 sand ) a floating coat of neat cement inside the drain and its top and exposed surface including earthwork in excavation and disposed of surplus earth etc.

23cmx23cm Surface drain

Providing and fixing Aluminium hooks and eyes ISI marked with necessary screws etc. complete

Providing and laying hollow cement concrete block walling 100mm thick consisting hollow block of size 400x100x200mm of mix 1:3:6 (01 cement :3 coarse sand : 6 graded stone agg.10mm nominal down size) having a crushing strength of 3.5 N/mm2 at 28 days as per I.S 2185 (Part-I) 1979 laid in cement mortar 1:6 (1 cement : 6 coarse sand ) upto floor five level

Providing and laying hollow cement concrete block walling 200mm thick consisting hollow block of size 400x200x200mm of mix 1:3:6 (01 cement :3 coarse sand : 6 graded stone agg.10mm nominal down size) having a crushing strength of 3.5 N/mm2 at 28 days as per I.S 2185 (Part-I) 1979 laid in cement mortar 1:6 (1 cement : 6 coarse sand ) upto floor five level

Providing and fixing 35mm thick glazed shutters for windows with superior hardwood Cat-(A) using 1-kg/sqm 4mm thick glass and MS butt hinges and screws including the cost of paneling as per direction of Engineer-In-Charge.

Superior Hardwood Category-II(A)

Providing and fixing 15cm wide, 45 cm overall semi circular pre coated galvanized Iron Porfile sheet gutter with iron brackets 40x3 mm size, bolts, nerds and washers etc. including making necessary connections with drain rain pipes complete.

0.50mm thick precoated galvanized Iron profile sheets

Providing and fixing panelled or panelled and glazed shutters for doors, windows and celestory windows including ISI marked M.S pressed butt hinges bright finished of required size with necessary screws, including panelling with 12 mm thick marine plywood, all complete as per direction of Engineer-In-Charge.

Superior Hardwood Category-II(A) 35mm thick

Providinga and fixing in position eaves or facias board with

18mm thick 30cm wide UPVC solid board incluing fixing with nuts & bolts all complete as per direction of EIC.

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement :3 coarse sand : 6 graded stone aggregate 20 mm nominal size) over 75mm thick bed of Stone Aggregate 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

Providing black board standard size with 50mm thick wide border in 1:4 (1 cement :4 coarse sand) front over 12mm cement plaster of mix 1:4 (1 cement : 4 coarse sand) finished with floating coat of black anti corrosive bitumastic paint of approved brand as per the Engineer-In-Charge.

Size 2.65x1.35m

Providing and fixing pre-painted galvalume (PPGL) steel profile sheets AZ-150 of brand Tata Blue scope steel, Everest Industries Ltd., JSW Steel Ltd., Jindal India Ltd. or equivalent (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with aluminium zinc coating 150 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling / self tapping aluminium screws (Xylan) of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Providing and fixing pre-painted galvalume (PPGL) steel profile sheets AZ-150 of brand Tata Blue scope steel, Everest Industries Ltd., JSW Steel Ltd., Jindal India Ltd. or equivalent (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with aluminium zinc coating 150 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/self tapping screws complete.

Ridges plain (500 - 600mm)

Making soak pit filled with honey comb shaft with boulder and S.W. drain pipe 100 mm diameter, 1.8 m long i/c earth work and CC 1:2:4 complete as per standard design.

1.50 x1.50 x 1.50 mtr

Constructing Masonary chamber 60x60x45 cm inside, in hollow block work in cement mortar 1:4 (1 cement : 4 coarse sand) for gate valve complete with C.I double flap surface box 400x200x200 mm (inside) with locking arrangement and RCC top slab 1:2:4 mix (1 cement : 2 Coarse sand : 4 graded stone aggregate 20 mm nominal size) including necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design

ELECTRICAL WORKS

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required.

Group-C

Wiring for twin control light point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface /recessed medium class PVC conduit, 2 way modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable etc. as required.

Wiring for light/ power plug with 2X4 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit alongwith 1 No. 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required.

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required.

2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire

2 X 4 sq. mm + 1 X 4 sq. mm earth wire

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

Supplying and fixing two module stepped type electronic fan regulator on the existing modular plate switch box including connections but excluding modular plate etc. as required.

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin 5/6 & 15/16 A modular socket outlet and 15/16 A modular switch, connections etc. as required.

Supplying and fixing 3 pin, 5 A ceiling rose on the existing junction box/ wooden block including connections etc. as required.

Installation ,Testing, Commissioning of wall bracket /ceiling fittings of all sizes and shapes containing upto two GLS/CFL/LED lamps per fitting, complete with all accessories including connections etc. as required.

Installation, testing and commissioning of pre-wired, fluorescent fitting / compact fluorescent fitting of all types, complete with all accessories and tube/lamp etc. directly on ceiling/ wall, including connections with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable and earthing etc. as required.

Installation, testing and commissioning of ceiling fan, including wiring the down rods of standard length (upto 30 cm) with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable etc. as required.

Installation of exhaust fan in the existing opening, including making good the damage, connection, testing, commissioning etc. as required.

Supplying and fixing PVC batten/ angle holder including connections etc. as required.

Supplying and fixing following way, single pole and neutral, sheet steel, MCB distribution board, 240 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required.

6 way , Double door

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single pole

Supplying and fixing following rating, double pole, 240 V, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Providing and laying earth connection from earth electrode with 4.00 mm dia copper wire in 15 mm dia G.I. pipe from earth electrode including connection with copper thimble excavation and re-filling as required.

Providing and fixing 4.00 mm dia copper wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required.

Providing and fixing of lightning conductor final, made of 25mm dia 300mm long, GI tube, having single prong at top with 85mm dia 6mm thick G.I base plate including holes etc. complete as required

Jointing copper/ G.I tape (with another copper/ GI tape, base of the finial or any other meatallic object) by riveting/ nut bolting/ sweating and soldering etc. as required

Providing and fixing G.I tape 20 mm x 3mm thick on parapet or surface of wall for lighting conductor complete as required (for horizontal run)

Providing and fixing G.I tape 20 mm x 3mm thick on parapet or surface of wall for lighting conductor complete as required (for vertical run)

Supplying of LED bulb similar to LUKER LED 7W B22 or its equivalent to IS speciifcation

Supplying of 12W LED, 6000K surface decorative wall/ ceiling mounted LED bulk head fittings similar to Luker, Cat No. LBKOVSL 12 its equivalent.

Supply of 20W LED Retrofit Tube light batten suitable for 230 Volts, 50 Hz AC supply Make : Crompton, Model : DIJB12LT8-20 or its equivalent to IS specification.

Supply of 20W LED, 6500K, 4 Feet, Retrofit tube light suitable for 230 Volts, 50 Hz AC supply similar to Philips, Model No. 20W865 T8 IND I 2100Im or its equivalent to IS specification.

Supplying of 9W LED Mirror light having rating suitable for 230 Volts, 50 Hz AC supply similar to LUKER mirror light model no. LM3C9 or its equivalent.

Supplying of 5 star energy saving ceiling fans BLDC (26W to 32W), 1200mm sweep (White), Make : USHA Model: Techno Air (Without remote) or equivalent.

Supplying of Heavy duty exhaust fan 300 mm sweep having 900 rpm including suitable size louver, Make : Havells, Model No : Turbo Force SP or equivalent.

Providing earthing with safe earthing electrode of galvanization 80 to 100 microns length 2000 mm, 48mm dia and inner space be filled with crystalline conductive mixture including filling-up with electrodite (Back fill compund) as required for safe earth electrode and providing masonary enclosure with cover plate having locking arrangement etc. as required. (Similar to ASHLOK make SEE brand safe earthing or equivalent)

Supplying and laying of PVC insulated two core 6.0 sq.mm sheathed solid aluminium conductor Industrial cables (Sheathed) voltage C grade upto 1100V similar to Fybros product code FWC1106.

PTR MATHI VANAM

NARESH HALDER

S B SHARMA

GOUTAM BISWAS

BHAGWAN SINGH