is 1825 (1983): specification for aluminium alloy milk cans

21
Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. इंटरनेट मानक !ान $ एक न’ भारत का +नम-णSatyanarayan Gangaram Pitroda “Invent a New India Using Knowledge” प0रा1 को छोड न’ 5 तरफJawaharlal Nehru “Step Out From the Old to the New” जान1 का अ+धकार, जी1 का अ+धकारMazdoor Kisan Shakti Sangathan “The Right to Information, The Right to Live” !ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता ह Bharthari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 1825 (1983): Specification for Aluminium Alloy Milk Cans [FAD 19: Dairy Products and Equipment]

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Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

इंटरनेट मानक

“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda

“Invent a New India Using Knowledge”

“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru

“Step Out From the Old to the New”

“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan

“The Right to Information, The Right to Live”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam

“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 1825 (1983): Specification for Aluminium Alloy Milk Cans[FAD 19: Dairy Products and Equipment]

Gr 4

IS : 1825· 1983

Indian StandardSPECIFICATION FOR

ALUMINIUM ALLOY MILK CANS

(Second Revision)

Second Reprint SEPTEMBER 2007( Including Amendment Nos. I and2 )

une 637.135:621.798.144[669.71]

c Copyright 1984

BUREAU OF INDIAN STANDARDSMANAK BHAVAN. 9 BAHADUR SHAH ZAFAR MARQ

NEW DELHI 110002

June 1984

AMENDMENT NO. 3 JUNE 2012 TO

IS 1825 : 1983 SPECIFICATION FOR ALUMINIUM ALLOY MILK CANS

(Second Revision)

(Page 10, clause 5.3, lines 3 and 4) — Substitute the sentence ‘The Brinell hardness of the cans shall not be less than 85 HBW when tested according to the method prescribed in IS : 1500 - 2005*.’ for ‘The Brinell hardness of the cans shall not be less than 85 HB when tested according to the method prescribed in IS : 1790 - 1961*.’ (Page 10, footnote) — Substitute ‘*Method for Brinell hardness test for metallic materials’ for ‘*Method for Brinell hardness test for light metals and their alloys’

(FAD 19)

Reprography Unit, BIS, New Delhi, India

AMENDMENT NO.2 DECEMBER 1999TO

IS 1825: 1983 SPECIFICATION FOR ALUMINIUMALLOY MILK CANS

( Second Revision)

(Page 6, Fig. 2) - Substitute the following for the existing figure:

WELDED/BRAZEDALL ROUND

6 DRAIN HOLES·EQUALLY SPACEDIolINIMUM DRAIN AREA.10 sa em

(FADS7)

Pnnted at Simco Prinlin. Press, Deihl

AMENDMENT NO. 1 OCTOBER 1997TO

IS 1825: 1983 SPECIFICATION FOR ALUMINIUMALLOY MILK CANS

( Second Revision)

(Page 10, clause 5.9, line 2) - Substitute '3.9' for '4.75'.

(Page 10, clause 5.9) - Insert the foJlowing note at the end:

NOTE- For guidance, aluminiumalloy witb a specific gravity of 2.728 approximately maybeused for fabrication.

(FAD 57)Pnnted at SimcoPnnting Press. DeIhl

IS : 1825.. 1JU

Indian StandardSPECIFICATION FOR

ALUMINIUM ALLOY MILK CANS

( Second Revision)

Dairy Equipment Sectional Committee, AFDC 35

Cholrlftllll

SDI v.H. SIwr

IWpreHtl/inl

Kaira District Cooperative Mille Producers'Ualoa Ltd, ADand

M'mMr~

Sol R.. N. SRAB ( Al"rnIJII toShri V. H. Sbah )

Smu H. K. AORAWAL GJuo Laboratories (fndia) Ltd, Bombayn..S. R.. AOARWAL ( Altema" )

SHRI A. K. BANlltJl!ll Departmcot of Agric:ulturc & Animal Husbandry.Govemment of Rihar, Patna

SHI\I R. P. BANum Chl'mical Vessels Fabricators l P) Ltd, FaridabadSHI\I D. P. CHOWl)BUlt.Y ( Alt,rnat. )

SHal RAJINDIIR BATtA APV TOJImaco Limited, New DelhiSHRI B. A. KHURODY ( Alternat. )

SHJU T. S. CHANDI\ASBKAJlAN Milk Commissioner, Government of Tamil Nada,, Madras

SURI V. PANDIAN ( Allernate)SHJU R. D. CHRISTY, Anup Engineering Limited, Ahmadabad

SHRIISHKUMAI\ NAUNO ( Alternat, )SHRI N. DASOUPTA Stalnco Enterprises Private Limited, ~ew Delhi

SURI S. DASOUPTA ( AltITnate)SHRI D. B. DI!SHMUKH Vulcan-Laval Limited, Bombay

SHRI N. J. KEsHAVDAS ( Alternate)BRIO DILBAGH SINGH Directorate of Military Farms, Quartormaster

General's Branch (Army Headquarters ),New Delhi

SHRISHAHID Au ( A.11"""t, )SHU A. S. GAllO National Dairy Development Board, Anand

SHRI J. D. MOUDOIL ( Alternate )J 0 I N T CoMMISSIONER ( DAIRY Ministry of Agriculture, (Department of Agei·

DBVIllOPIlENT) culture & Cooperation ), New Dclhi

SHill S. L. TUlI (AIt,rnate)( Conti.,d on pag, 2 )

@ Copyright 1984

BUREAU OF INDIAN STANDARDSThis publication is protected under the Indian Copyright Act (XIV of 1957) andreproduction in whole or in part by any means except with written permission of thepublisher shall be deemed to be an infringement of COPYright under tbe saId Act.

IS I 1825 . 1983( eMtl1lll_from /KII' J )

Me""""SHIll 1 K.. KAPUR

R.'PfWsentl",

Directorate General of Technical De~elopment.New Delhi

SHJU S. N. CHAND ( Alternate)SHillM. N. KHAN Delhi Milk Scheme, New Delhi

SHIUG. S. MANN (Allemal.)SHU A. R. A. KRISHNAN Directorato General of Inspection (DOl),

( Ministry of Defence ), KanpurSIDJ B. K. GHOSH ( Alt.matl )

DR R. G. KUMBLB Department of Scienceoft TechnololY, New DelbJSHIllJ. P. PAL Milk Commissioner, l Government of WOIt

Bengal ), CalcuttaSHRI B. SEN GUPTA ( Alu,nal. )

SHIll S. D. PANDIT . Larsen &. Toubro Limited. BombaySHRI P. S. GUPTA ( Alt"nat. )

SHIlJ V. S. PANDYA Venus Tradina Company, AnandSHIll M. S. PANDYA ( AII.rnat. )

Smu V. M. PATIl1. Mebaaoa District Cooperative Milk ProduCCl'l'. Union Ltd. Mehsana

SRJU M. V. CHAUDHARt ( Allernat. )SQI N. N. PATtL Dairy Development Commissioner.(Government

of Maharashtra ). BombayDa A. P. DISHMUKH ( AlttrlUlt. )

SHRI K. llAMAKRISHNA RAO 'the Andhra Pradesh Dairy Development Corpo.ration Limited. Hyderabad

SMaI M. A. NARASSMHALU ( Alternate)SHRI BHANU C. SANOHANI Unicom Industries, Secunderabad

SHRI T. R. JANARDHAN ( Alternate)DR S. C. SARMA National Dalty Research Institute (ICAR),

KarnalSHRI V. P. AN..JA ( Altemar« )

SHillC. K. SoMANY Hindustan National Glass & Industries Limited.Calcutta

SHRI A. C. JAIN ( Alternate)SHRI B. VISWANATHAN The Haryana Dairy Development Cooperative

federalion Ltd. ChandigarhSHRJ O. P. MATHUR ( Alternal' )

SHRJ T. PURNANANDAM. Director General, lSI (Ex-officio M.mber)Director ( Agel&. Food )

S,cretar,Smu S. K. SUD

Senior Deputy Director ( Alrl &. Food ). lSI

2

IS .1_.. 1913

Indian StandardSPECIFICATION FOR

ALUMINIUM ALLOY MILK CANS

( Second Revision )

O.FOREWORD

0.1 This Indian Standard ( Second Revision) was adopted by the IndianStandards Institution on 2~ December 1983, after the draft finalized by theDairy Equipment Sectional Committee had been approved by theAgricultural and Food Products Division Council.

0.2 An ideal milk can has to be designed in such a way that it shouldtransport its contents safely without spillage and with minimum of chur­ning. It should also withstand rough handling. occupy minimum space ontrucks or lorries. allow a high degree of sterilization and should also facili­tate cleaning. Further, it bas to be light and durable. This standard hasbeen drawn up giving due consideration to all these points.

0.3 This standard was first published in 196'. The standard was subse­quently revised in 1971 to iriclude the modified dimensions of 20-, 30-, 40­and 50-litre cans for better sanitary design, additional requirements for bard­ness of cans, sampling scheme, specification for one-piece construction ortwo-piece construction of the body, in transport-type cans. In this revi­sion a number of rnodiflcations have been incorporated. The importautones amongst them are given below:

a) The title of this standard has been changed to 'Specification foraluminium alloy milk cans',

b) Requirements for IO-litre can have been deleted as cans ofthis capacity are not being used now,

e) Figure for delivery-type milk cans has been modified, andd) Additional quality requirement for cans in respect of mass has

been incorporated.0,4 In India, at present, milk cans in use are made of tinned mild steel,aluminium alloy and stainless steel. The 'Indian Standard Specificatiopfor milk cans made of tinned mild steel' (IS: 1373-1981 ) bas alreadybeen published, but the standard covering stainless steel milk q8.IlS has beendeferred, due to shortage of stainless steel.

3

1S.1as-l_0.5 The aluminium alloy milk cans conforming to this standard arc solu­tion heat-treated and age-hardened for maximum strength and they mayalso be subsequently anodized, if required by tbe purchaser.0.6 This standard contains clauses ~.3, 5.4, 5.7 and 8.I(e) which call foran agreement between the purchaser and the supplier.0.7 For the purpose of deciding whether a partiCUlar requirement of tbisstandard is complied with, the final value, observed or calculated,expressing the result of a test. shall be rounded off in accordance withIS: 2-19604'. The number ofsignifitant places retained in the rounded offvalue should be the same as that of the specified value in this standard.

1. SCOPE1.1 This standard prescribes the requirement for aluminium aUoymilk cansused for collection and distribution of fluid milk. This standard coverscans of:

a) rated capacity of 20 litres for delivery cans; andb) rated capacity of 20, 30, 40 and SO litres for transport cans.

%. CAPAcny2.1 The rated capacity of the can shall be taken as the quantity of watermeasured in litres which fills the can to the junction of the shoulder andthe neck. This quantity shaJI be within a tolerance of ± 2 percent of therated capacity.

3. MATERIAL3.1 Co Body and Caa Ud - The can body and can lid shall be madefrom sheets of aluminium alloy conforming to IS designation 64430(HS·30) of IS : 737-1974t, with copper content as near as possible to 0'05percent.3.2 Handles and Ean lor HaDdles - These shall be made from extrudedsection of aluminium alloy conforming to IS designation 64430 (HE-30) ofIS: 733-1975t. Ear for handles may also be made from sheets and stripsof aluminium alloy conforming to IS designation 64430 (H8-30) ofIS: 737-1974t.3.3 Bottom Band - This shall be made from extruded section of alumi­nium alloy conforming to IS designation 64430 (813-30) of IS: 733-191':.

4. SHAPE AND DIMENSIONS4.' The can ~11:111 be manufactured in accordance with the shapeanddimt'n!;ioM 5ho\\ n in fi!!. 1 to 6.

·Rtlles rOt roundil'la off numerical values I revised ),tSl'ftIActUc:lft for wrought aluminium and aluminium aUo,.. sh. aDd atrl~ (for

lefteral eta..-rl". pUrpo~~) ( urond revision ),~peclflc:atlon rot wtouiht aluminium and aluminium alloy bars, rods altd sectiona

( rot aenera' en,ltleertna purposes) ( second revision ),

4

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280

±3

200

±0'

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2:I:

31'

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02'

SSJ

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332

320

05

332

:I:3

2"0

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575

±3

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±3

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32"

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463

336

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WELOID/IIIAZEDALL ROUND

• DlWN HOLES­EOUALLY PACIOMIN....... DllAIN AREA-10 SQ em

AU diIrIeDfJou In milllmetrel.

~ draJnholesmaybeoval.circular. dJamood 01' 'D' shaped.

Flo. 2 BonoM BAND FOR ALUMINIUM ALLOY MILK CANS

i 135

IIr;----------~ ni i 70

I ".,. i L\ I

i I 'XIt

VAll dimensions in miJ/imetres.

FlO. 3 HANDLE fOR Ar UMlNIUM ALLOY MILK CANS

6

WELDED'BRAltDALLIlOUNO

IS. 1825 ·1983

SPO' WILOlED A' FOUR PO'''SMEAR 'HI peRI'HeRY AND A''HI CENtRE

200'0·'2 ...==1··7 T

I" NIH

" __~UE~ l ~:N~'F~~~12+ 'HOLlS I

....---1I4·U·S.----J.,..--------21•• --41014A For 30-. 40-.nd 50-Litre Cens

WELDEDI_AlEDAll IlOUfilO

SPOl WELDED At POUR POINts NEAR THEPERIPHERY AND AT THE CENtRE

te----- 114·S!-S. ----

....-------241.-------'....48 For 20·Lltr. Cene

TraD8port or Dcl~very Typo

All dimensions in millimctrcs.

FlO. 4 LIDs FOR ALUMINIUM ALLOY MILK CANS

7

12

All dimensioN in miJllmetres.Flo. S SBALlNQ Luo FOR ALUMINIUM ALLoY Malt CANS

11 ",in.

WElDEO/BIl"ZEOAll IIOUNO

FOR DETAILSSEE FIG. 2 -

All dimensions in millimetres,

FIG. 6 ALUMINIUM ALLOY MILK. CAN- DI:LJVERY TYPB ( 20 Lrraas )

8

IS. 1825 .. 1983

".1.1 Slight variations in the overall dimensions may be permitted.pro­vided that:

a) Neck dimeDBions are in aceordance with Fig. J and 6.b) Inner tid dimensions ate in accordance with Fig. 4 to allow fot

interchangeability, andc) Combined effect of permitted tolerances shall be such as not to

allow a variation of more than 2 percent in the rated capacity.

s, MANUFACTURE

s.o Pam - Delivery cans of 20 titre capacity shall consist of a body.bottom band, lid and ear with handles. Transport cans of 20, ~O. 40and 'SO litre capacities shall consist of a body, bottom band. lid andhandles,

~. t The minimum thicknesses for different pans of the finished cansshall be as given in Table I.

TABLE 1 MINIMUM THICKNESSES FOR DIFFERENT PARTS OF THE CANS

PART

(1)

CAPACITY ( IN LIT1U!S )r------_.A ---.20 30 40 50(2) (3) (4) (5)mm mm IDOl DIm

Bodyand neckBottomLid (inner)Lid (ouler )

2'03'0I'S1'8

5.2 Mode of Shaping

5.2.1 One-Piece Can - The one-piece (monobloc ) can shall be manu­factured by means of pressing, deep-drawing and, if necessary, subsequentspinning. Extra thickness at shoulder shall be provided during shaping togive additional strength ( see Fig. IA and 6 ).

S.Zol.l If the thickDess at the shoulder is less than. 2'5 mm, • reinforce­ment ring of 2 mm thickness shall be provided.

5.1.1 TWo-Pll-Ct CM - Thetwo-piece ean body shall be manufacturedby ptessing. deep-drawillg and. if DClCOSS&1)'. subsequent apiolllng and byjoilting neck and body by welding. A rtinforcemcot ring shall be providedto give additional strength ( iee Pig; tB).

9

IS • 1825 • 1983

5.3 The can shall be solution heat-treated and age-hardened for maximumstrength and they may also be subsequently anodized. if required by thepurchaser. The Brinell hardness of the cans shall not be less than 85 HBwhen tested according to the method prescribed in IS: 1790-1961·.

SA Lids - The lids shall be manufactured by means of pressing andspinning and shall be heat-treated after manufacture. The lid shall beanodized if required by the purchaser.

5.5 Bottom Bands - The bottom band shall be made from extruded alu­minium alloy section. rolled and brazed ( see IS : 2927-1975t and IS : 812­1957t ) or welded (see IS: 7273-1974§ ) to ring shape. The bottom band.hall be shrunk fit with a proper locking arrangement on the body. Thisshall be followed by brazing or welding all around. The joint of the bottomband to the body should be proper so as not to make the cans insanitary( see Fig. 2 ). A typical locking arrangement is also shown in Fig. 2.

5.6 Hauelles - The handles for transport cans and ears for delivery cansshall be brazed or welded on the body. The handles for delivery canshall be hooked to ears.

5.7 Sealing Lug - If required by the purchaser. a sealing lug shall bemade to shape ( see Fig. 5) and soundly brazed (see IS : 2927-J975t andIS: 812-1957t ) or welded ( see IS : 7273-1974§) on the neck.

5.8 Workmanship and Finish - All brazing or welding shall be sound,free of porosity. of adequate strength to withstand normal use and shallbe finished smooth to provide a sanitary finish to all the inner surfaces.

5.9 The mass of the 20-, 30·, 40-. and 50-litre can including the lid shallbe minimum 4'75. 5'9, 6'S and 8'0 kg respectively.

6. SAMPLING AND CRITERIA FOR CONFORMITY

6.1 The method of drawing representative samples of the can. and thecriteria for conformity shall be as prescribed in Appendix A.

7. TESTS

7.1 The cans when immersed in water and subjected to internal airpressure of 70kPaii for five minutes shall show no signs of leakage or anyother damage during or after the test.

NOTE - Care shall be taken to avoid water entering the cans durin, tho tost.

·M~hOd fot Rrlnell hardness te~l for light metals and their alloys,tSpeoificatlon for btazing alloys ( first revision ),tGIOflary of terms relAting to welding and cutting of metals.§Methodsof tostin, fusion welded joints in alurninlum and aluminium alloy••nlOOkPa...l'Ol97 kaf/ernl ,

10

IS • 1815 • 1983

7.2 Drop Tilt - The cans filled to rated capacity ( up to the neck) withwater and with lid on shall beheld in a vertical position and dropped oncevertically from a height of 125 em on a horizontal hard concrete floor orsteel surface. The cans shall neither show any leakage nor suffer from an,damage other than denting.

7.3 The cans when filled with water and inverted shallnot show any profuseleakage through lids.

8. MARKING

8.1 The cans shallbemarked legibly and permanently with the followinaparticulars:

a) Manufacturer's name or initials or trade-mark. if any;b) The rated capacity of the can in litres;c) Point of capacity;

d) Batch or code number; ande) Any other markings which may be required by the purchaser

and agreed upon between the supplier and the purchaser.

8.1.1 The product may also be marked with Standard Mark.

8.1.2 The usc of the Standard Mark is governed by the provisions of the Bureauof Indian Standards Act. 1986 and the Rules and Regulations made thereunder.The details of conditions under which the licence for the use of Standard Markmay be granted to manufactures or producers may be obtained from the Bureauof Indian Standards.

APPENDIX A( Clause 6.1 )

SAMPLING OF ALUMINIUM ALLOY MU..K CANS

A-I. SCALE OF SAMPLING

A-I.I Lot - In any consignment, all the cans of the same size, shape andfrom the same batch of manufacture shall be grouped together to form ~lot.

11

IS 118%5·"

A-I.2 Samples shall be tested separately for each lot for ascertaining th~conformity of cans to the requirements of this specification.

A-I.3 The number of cans to be selected from the lot shall depend on thesize of the lot and shall be in accordance with col 1 and 2 ofTable 2.

TABLE2 SCAU: or BAMPLING ANDPERMISSIBLENUMBEIl ()Il'DJEPiCl'IVBS

Faa VISUAL. DIMIlNSIONAL R.lQUIJUlMIlHFSAND Alk Paasuu Tur,... _.Ao__ .

Number of CaDI Permissible No.Co be 8e1ecte4 of DefOCCive CaDs

II

NUKBa OF C4NsINTHI Lor

N(1)

3 toV26 .. 100

101 .. 300301 .. 500501 .. 1000

1001 .. .3 0003 001 and above

(2)

.358

13203250

(3)

ooo1123

FOR 1'IDcKNIIIlIAND OTHllt 'hsTs,---""-----1Number of CaM

to be SelectedII

(4)112233S

A-I.3.1 These cans sball be stlected at random from the lot. To ensurdthe randomness of selection. a random number table (see IS: 490S-196S· )as agreed to between the purchaser and the supplier shall be used. In casesuch a table is not available. the following procedure shall be used:

Starting from any can in the Jot. count them as 1, 2. 3 up tor and so on in one order. where r is the integral part of Nln, N beingthe number of cans in the lot and n the number of cans to be selected( see Table 2 ). Every rth can thus counted shall be withdrawn togive the required number of cans in the sample.

A-2. NUMBER OF TESTS AND CRITERIA FOR CONFORMITY

A-2.1 All the cans selected according to col 2 of Table 2 shall be firstexamined for visual and dimensional requirements given in 4.1 and 5.1to 5.9 and then tested for air pressure according to 7.1.

A-2.1.1 A can failing to satisfy any of these requirements shall beconsidered as defective. The lot shall be considered to have satisfied

.M~ for radom ampllna.

12

IS , 1825 • 1983

these requirements if the number of defectives found in the sample is lessthan or equal to the corresponding permissible number of defective cansgiven in col 3 of Table 2.

A-2.2 The lot having been found satisfactory according to A-l.t shaJl betested for thickness (see 5.t ) and for tests given in 7.1 and 7.3. For eachof these tests, a subsample of cans shall be selected according to col 4 ofTable 2. These cans shall be selected from those already tested accordingto A-l.t and found satisfactory.

A-2.2.1 The lot shall be declared as conforming to the requirements ofthe specification if none of the cans tested for the requirements givenin 5.1,7.2 and 7.3 fails to meet the corresponding specification requirements;otherwise not.

13

BUREAU OFINDIAN STANDARDS~:M8nIlk BhInn, 8 8INclJr Shah lafIr M8r;, NEW DELHI 110002TeIephonee: 23230131, 23233376,~ Fa: 81+011 2323e3ii,23239382E· .... : bII0vlnl.com webIIte : htlp:llwWw.bII.org.1n

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GUWAHATl7810085-8-56C, LN. Gupta Merg. NampellyStation Road, HYDERABAD 500001E-S2, Chltaranjan Marg, C-Scheme, JAIPUR302001117/418 B, Sarvodaya Nagar. KANPUR208005SethI Bhawan, 2M Floor, Behind l8eIa CInema, N.,. K1ahore Road.

LUCKNOW 228001NIT Building, Second Floor, GokulpatM8lrMt, NAGPUR 440010Mahabir Bhavan, 1" Floor, RoparRoad, NALAGARH 174101Patliputra Industrial Estate, PATNA 800013First Floor, Plot Nos 657-660. Market'tWd, Guttkcl, PUNE 411037°Sahajanand House' 3,0 Floor, Bhaklinagar Circle. 80 FeetR*.

RAJKOT 360002tC. No. 14/1421, UniverSity PO, Palayam, THIRUVANANTHAPURAM 8950341· Floor, Udyog Bhavan, VUDA, Sinpuram Junction, VISHAKHAPATNAM-03

SaI8I Ofllce II at 5 Chowrlnghee Approach, PO PnncepStreet, KOLKATA 700072

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