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8/18/2019 is.1762.1.1974

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Gr3

IS : 1762 Part I

974

Reamrmed 2003

Indian Standard

CODE FOR DESIGNATION OF STEELS

PART I BASED ON

LETTER

SYMBOLS

First Revision

Fourth Reprint AUGUST 7

Including Amendment

No.1

UDC 669.14: 003 62

© Copyright 97

URE U

OF INDI N

ST ND RDS

MANAK

BHAVANt9

BAHADUR

SHAHZAFARMARG

NEW

DELHI

110002

u y 97

8/18/2019 is.1762.1.1974

5/16

IS i 1762 P ar t I )

-1974

Indian Standard


PART I BASED ON LETTER SYMBOLS

irst evision

Metal Standards

Sectional Committee, SMDC

Chairman

S U R I

A. K.

BHATTACRARYYA

Rlpresentin,

Ministry

of Railways

Ltd,

Ministry of

Defence

D G I )

Instrumentation Ltd, Kota

Members

J O I N T

DIBEO l OR M

C } .

AS818 f

AN T D I R E C T O R

MS ) Alternates to

Shrl

A. K. Bhattacharyya )

S H B I

M. ANJANEYULU Mining

an d Allied

Machinery

Corporation

Durgapur

S H I U

N. V. RAGBAVAN Alt,rnate)

] 8 A. S. BHADURI National

Test House. Calcutta

Su ar D. D. BHUPTANI Indian Tube Co Ltd. Calcutta

S O R I

O. N.

AOAR WAL Alternate)

SaRI P. K. CHAKRAVABTY The Tata Iron

Steel Co Lcd.

Jamshedpur

S U R I M. C. KUMAR A8WAMY Alumau )

S H R I

G.

C R A T T E R J E B

Hindustan Steel Ltd, Ranchi

8l BI

K. C.

SO M

(

Alt,rnat, )

SURI P. K. CHATTERJEE

SRRIN .S .CHAUDHARV

SHRt J. S. SERMI t Alternat,)

SaRI

B. N.

D A 8

S U B I

N . T.

GEORGE

S R R I A. K. G U H A

National Metallurgical

Laboratory

CSIR),

Jamshedpur

Ministry

of

Defence R D

D ir ec to ra te G en er al of Supplies Disposals

Inspection Wing), New Delhi

S U R I P. C. MUS l AJ I

Alternat, )

DB S. S. K H A N N A Heavy Engineering Corporation Ltd) Ranchi

S H R I A. N. RAo

( Alternat« )

DR D. M. L A K H I A N I Indian Iron

Steel

Co Ltd, Burnpur

S H R I

T. K.

DUTTA

Alumat« )

SaB l

U. M OD AN R A O Bharat Heavy Electricals Ltd,

Bhopal

SUBI B. K.

MU R T H Y

Indian Aluminium Co Ltd, Calcutta

SURI

N. G O P A L

KRISHNAN

Altnnat, )

S U R I S. K.

O R R I

Bharat

Heavy

EJectricals Ltd,

Hardwar

DR S. R. PR AMANIK

Ministry of

Steel an d Heavy Engineering

S U R I M. K. RAO The Binani Metal Works Ltd. Calcutta

Sa A. K. CHATTBBJIDE

Alt rnate)

ContinUld

on

/Jal 2)

Copyright 1975

BUREAU OF INDIAN STANDARDS

Thil publication i protected under the I,.dia CoP 1ri hl XIV of 9 ~ 7 an d

reproduction

in

whole or

in

part by an y means

except wit h

written

permission

of

th e

publimer

hall

be deemed to be

an infringement

of copyright under

th e

laid Act.

8/18/2019 is.1762.1.1974

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IS 762 Part I 974

ContinUld from

1 )

M,mlJns

SRRIS.RoY

Reprlstnti ,

Indian Non-Ferrous Metals Manufacturers

Association,

Calcutta

SUBI A. K.

BARU Altentat,

SUBI

V. K. W

A,ZIR Institute of Indian Foundrymen, Calcutta

HONORARY SECRET RY Alt,rnate .

SURI

C. R. R M R O Director General,

lSI

Rx-officioMembtr

Director Struc

Met)

Stcretary

SURJ VIJAY K U M R

Assistant

Director

Metals),

IS )

2

8/18/2019 is.1762.1.1974

7/16

MENDMENT NO

1

NOVEMBER 198

TO

IS:1762 Part

1 -1974

CODE FOR

DESIGN TION

OF

STEELS

P RT I

B SED

It

LETTER

SYt8 LS

Fir t Revil ion

f

0

.

r 9 nd

U

age a Lause 3 ~ E t I I f E l e 8 ~ line

14)

Substi

tute

Fe

51 0

B

to

Fe

510

B a .

a.Lterat10 1

age 6 ~ ataus .1.1.1 :

a)

Item

e ) ,

p a r a ~

line 1 - Substitute I 000

t i m e 8 f o ~

100 times .

b)

Item c) l) d d c) 2), tine

- Substitute

, 000 times fol 100 times a t

both

th e

places;

sMDC

1

8/18/2019 is.1762.1.1974

8/16

15.1762 {Part 1 -1974

ndian

tandard


P RT I B SED

ON

LETTER SYMBOLS

First Revision

FOR EWOR

0.1 This

Indian

Standard Part I First Revision was adopted by

the

Indian Standards Institution

on 31

October

1974,

after the

draft

finalized

by the

Metal

Standards Sectional Committee

had

been

approved

by the

Structural

and

Metals Division Council.

0.2

This s tandard was first published in 1962.

The digital

system

of

designation

has since been adopted by

many

countries and is most suited

for

computer applications. It

was, therefore,

decided that

this standard

should

be revised in

two

parts.

This

part

Part

I ) covers

the designation

of

steel

based

on

letter

symbols and Part

II

will

cover designation of

steel

based

on

numerals,

0.3

It

is intended that

only

the minimum number of

symbols

shall

be

used in

designating any

steel.

The

Sectional

Committee,

therefore,

decided

that no

symbols

be

used

for

the most common quali ty of

steel

or

for

most common applications. n example

to

illustrate

this basic

principle is

that

no symbol is used to denote semi-killed

quality

of

steel

which comprises 90 percent of the

total

production of steel.

0.4 While

formulating

this

standard,

the Committee

has given due

consideration

to

the Fifth draft

proposal on classification

of

steels

under

consideration of ISO ITC 1 Sa

2

Secretariat of

which is

held

by India.

0.5 The units commonly used in Indian Standards and

the corresponding

SI units are given in Appendix A for information.

1. SCOPE

1.1 This standard

Part

I ) covers the

code designation

of wrought

steel

based on

letter symbols.

2. T R M N O L O ~ Y

2.1 For

the

purpose of this standard, definitions given in IS: 1956-1962*

shall

app Iy.

-Glossary

of

terms

relating

to iron

and

s t ~ l

8/18/2019 is.1762.1.1974

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IS 1762

Part

I) ·1974

3. CODE DESIGNATION

OF

STEELS BASED ON

LETTER SYMBOLS

3.1 For the purpose of code designation, steels shall be classified as

follows:

a Steels designated on

the

basis

of

mechanical properties,

and

b Steels

designated

on

the

basis of chemical

composition.

3 1 1

Steels

esignatedon the

Basis

of Mechanical

Properties

- These steels

are carbon

and low

allow

steels where the

main criterion

in

the

selection

and

inspection

of steel is \ he tensile

strength

or yield stress. I n

such

cases, provided the specified

mechanical

properties

are attained, it is not

usual

to specify a detailed chemical

composition

but the quality

of

the

material is

designated

where

necessary by

specifying certain

quality

levels.

The

code designation

shall consist

of

the

following

in

the

order

given:

a Symbol CFe or C FeE depending on whether

the

steel

has

been

specified on

the

basis

of minimum

tensile strength or

yield

stress.

b Figure indicating t he minimum tensile strength or

yield

stress

n

mm

2

• If no minimum tensile or

yield

strength is guaranteed,

the figure shall be 00.

c Chemical symbols for

elements

the presence

of

which characterize

the steel,

d Symbol

indicating

special

characteristics covering

method

of

deoxidation,

steel

quality, degree

of

purity, weldability

guarantee,

resistance to brittle fracture, surface condition, formability,

surface

finish, heat treatrnen

t,

elevated temperature and

low

temperature

properties.

e Symbol indicating applications, if necessary.

3 1 1

E rplallatory notes

for

special

characteristics

a

Method of deoxidation -

Depending on whether the steel is

killed,

semi-killed

or rimming variety, the

following

symbols shall

be

used to

indicate the steel making practice:

i R for rimming steel, and

ii

K

for killed steel.

NOTE

- If no symbol is used,

t

shalJ mean

that

the steel of semi-killed type.

b Steel

qualiry -

The following symbols

shall

be

used

to

indicate

steel quality:

QI-Non-ageing

quality,

Q

Freedom from flakes,

Q3 -

Grain

size controlled,

Q4 - Inclusion controlled, and

Q 5

Internal

homogeneity guaranteed.

4

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10/16

= 0 045 percent

t:-..: 0·035 percent

18 1162 Part I 1974

c)

Degre«

of

purity - The

sulphur and phosphorus levels

ladle

analysis) shall be expressed as follows:

ymbol aximum

ontent

in

Percent

Phosphorus Sulphur

P25 0 025 0 025

P35 0 035 0 035

P50 0 050 0·050

P70 0·070 0·070

No s ymbol will mean

0 055 0·055

The

above

symbols

use

the

l e t t e r P

followed by 100 times

th e

maximum percentage of sulphur and

phosphorus.

In

case

t he m a xi m um

contents

of sulphur

and

phosphorus are not same,

the

following

procedure shall

be followed:

Symbol SP shall be used to

indicate th e

levels followed by:

1) 100 times

th e

maximum

sulphur rounded off·

to the

nearest

integer.

2) 100 times t he m ax im um

phosphorus rounded off·

to

the

nearest

integer.

Example

Maximum

sulphur

. Maximum phosphorus

Designation: SP 44.

d

Weldability

guarantee- Guaranteed weldabiJity of steel as

deter

mined by tests

mutually agreed

between supplier and manufacturer

shall be indicated

by

the following symbols:

W

=

Fusion weldable,

and

U I

=

Weldable

by resistance

welding but not

fusion

weldable.

e)

Resistance to brittle fracture - Symbol B )

BO ,

B2 J

or

B 4

indicating resistance to brittle fracture based on th e results of the

Vvnotch

Charpy

impact

test.

For steels B, BO, B2,

and

B4 a test should be made with

Charpy

V-notch

specimens,

taken

in

the direction of

rolling

with

the

notch

perpendicular to the surface

of the

plate or

product.

-Rounding

off shall be

done

according to the rules Biven in

IS:

2·1960 Rules or

rounding off numerical value. 11).

5

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11/16

1111762 Par t 1 -1974

5

27

- 10

o

- 30

- 20

- 50

4 0

- 20

- 40

8

282

B4

1

B

Steels B

t

BO, B2, and B4 are characterized by an average V-notch

Charpy impact

value according to

the

following table:

Steels Specified

U

ange

A

370

to 520 N/mm

l

500 to 700

N/mm

l

~ ~ ~ ~ ~

Energy

Temp °0

Energy

Temp

°C

J J

2

3

4

2H 27 40

28 0 28

40

28

40

28

40

f Surface

condition - The following symbols

shall

be used to

indicate surface condition:

S1 - Deseamed or scarfed;

82 -

Descaled;

53 - Pickled

including

washing

and

neutralizing ;

84 - Shot,

grit

or

sand

blasted;

85 - Peeled

skinned ;

86 -

Bright

drawn or cold rolled; and

87 -

Ground.

NOTJI -

If

no symbol is used,

it

shall

mean that

the surface is in

a.

rol led or 1

forged condi tion,

g

o r m b i l i ~

applicabll to

sheet

onl

-

The

following

symbols

shall

be used to

indicate

drawability:

Dl

-

Drawing

quality,

D2 - Deep drawing quality,

and

D3 - Extra deep drawing quality.

NOTE -

If

no .ymbol is

used,

it shall

mean

that the steel

commercial quality.

h Surface finish applicabl, to sheet onh - The following symbols

shall be used to

indicate the

surface finish:

Fl

-

General

purpose finish,

F2 - Full finish,

6

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12/16

IS

762 (Par t

1)-1974

1;3 Exposed

F4

Unexposed,

F5 Matt finish

F6

Bright

finish

F7

Plating

finish

F8

Unpolished

finish

F9 Polished finish

FlO

Polished and

coloured

blue

Fll

Polished and coloured

yellow

Fl2

Mirror finish

F13

Vitreous enamel

finish

and

F14

Direct

annealed finish.

Treatment

The following symbols shall be used to indicate the

treatment given to the steel:

Tl Shot

peened,

T2 Hard drawn

T3

Normalized ,

1 4

Controlled

rolled,

T5 Annealed,

T6 Patented

T7 Solution treated,

T8 Solution

treated

and

aged,

T9 Controlled cooled,

TIO

Bright

annealed,

TIl Spherodized,

T12

Stress

relieved,

T13

Case

hardened , and

Tl4

Hardened and

tempered.

lT

If

no symbol i used it means

that

the steel is hot rolled.

Elevat d

temp ratu propertils

For guarantee with

regard

to

elevated temperature properties the letter H shall be used.

However,

in

the designation

only

the room temperature proper

ties

shall be shown. Elevated temperature properties shall

be

intimated

to

the purchaser separately

by

the manufacturer.

ude. tempering

if

done.

7

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1811162 Part 1)-1914

m Cryogenic

quali{y

- For

guarantee

with regard to low

temperature

properties,

the

letter

L

shall be u se d.

However,

only

the

room

temperature properties

shall

be indicated in the designation.

Examples

:Fe 410 c« K Killed steel

containing

copper as alloying element

with a minimum tensile strength

of

410 N/mm

l

FeE 300 P 35 Semi-killed steel

with

a

minimum

yield

strength

of

300 N/mm

l

and degree of purity as follows:

S P

=

0·035 ax

Fe 470 W Steel

with

a

minimum

tensile strength of 470 N mm

and

of guaranteed

fusion

welding quality

FeE

550 56 Bright drawn or cold rolled steel with a

minimum

yield

strength

of 550

N/mm

2

e R

Rimming

quality steel with no

guarantee of

minimum

tensile or yield

strength

FeE

590 F7 Sheet steel

of plating

finish and minimum yield

strength

of 590

N mm

2

Fe 510 Ba

Steel

in annealed condition with a minimum

tensile

strength

of 510 N/mm

l

and resistance to brittle

fracture = B

Fe 710 H Steel with guaranteed

elevated temperature properties

and a minimum room

temperature

tensile strength of

710

N/mrn

Fe 4 0 QI

Semi-killed non-ageing

quality steel

with

S

P =

0·055 Max and minimum tensile

=

410 N/mm

l

Fe 600 T4 Semi-killed steel in controlled

rolled

condition

with

a

minimum

tensile

strength

of 600 N/mm

l

Fe 520 L Cryogenic quality steel

with

a

minimum

room

temperature

tensile

strength of 520 N/mm

l

3.1.2

Steels

Designated onthe

asis

of

Chemical Composition

3.1.2.1 Unalloyed steels as dtjined in

IS: 7598-1974* -

The

code

designation

shall

consist

of the following in the order given:

a Figure indicating 100 times

the

average

percentage of

carbon

content,

b Letter

C

J

and

c Figure indicating 10 times the average percentage of

manganese

content. The figure after multiplying shall be rounded

off

to

the

nearest

integer according to the rules given in IS : 2-1960t.

·Clauification of

steel•.

tRulel for rounding off numerical value- r,vis,d .

8

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1811762 P a r t 1)-1974

ymbol indicating special characteristics

including

guaranteed

ardenability for which symbol •G shall be used at the

end

of

ie designation. For special characteristics, see 3.1.1. )

~

Semi-killed steel with average 0-25 percent carbon and

s

percent manganese content and resistance to

brittle

fracture

grade

O

lOG Steel with average 0-45 percent carbon, 1 percent

manganese and

guaranteed hardenability

n lloyed

toolsteels

- The designation shall consist of:

~ i g u r e indicating 100 times

th e

average percentage of carbon;

lymbol

for

tool steel;

and

~ i g u r e indicating times the average percent manganese

.ontent.

5 Unalloyed tool steel with average 0-75 percent carbon

and 0-5 percent manganese

11 Unalloyed tool

steel

with average carbon content

of

0-80

percent

and I-I p er ce nt manganese

Z.3 n lloyed

free utting

steels

-

The

designation

shall consist

Figure indicating 100 times the average percentage

of carbon;

Letter

a

Figure indicating 10 times the

average

percentage of manganese;

Symbol S , S e , e or Pb depending on

the

element present

which makes th e steel free cutting followed

by the

figure

indicating 100 times th e

percentage

content of

th e

element. In

the case of the phosphorized steels the symbol cpt shall be

included;

and

Symbol indicating special

characteristics

covering the method of

deoxidation,

surface condition and heat treatment for explana

t or y notes on s pecia l

characteristics,

see 3.1.1 ).

s

lOS14K Free cutting steel with average 0-35 percent carbon,

I percent manganese

and 0·14 percen

t sulphur,

killed

quality.

:I2Pb15T14 Free cutting steel with average 0·15 p er ce nt l ea d,

0-20

percent carbon

and

1-2

percent

manganese,

hardened

and

tempered.

9

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10

·Cla.sification of steel.,

IS 11162 Part

I)

-1974

3.1.2.4

Alloy

stuls

as

d¢ned

in

IS:

7598·1974·):

a) Low and

medium

alloy

stuls

total

alloying

elements

not

exceedin,g

10

percent

-

The designation

of steels shall o n s i ~ t of:

1

Figure

indicating 100 times

the

a v e r a ~ e percentage carbon,

2) Chemical

symbols

for alloying elements

each followed

by the

figure for its average

p e r c e n t g ~

content multiplied by a(1ctor

as

~ i v e n

helow:

NO I : Thfl figure

aftflf

multiplying

shall

be rounded orr to

the

n p m ~ t

integer.

NOTE 2- Symbol Mn

for

manganese

shall

bp iacluded in case manganese

content is equal to or

greater

than Iperrent,

NOT 3_.The

chemical.ymbols

and their figures shall

be

listprt in the

desiKnation

in

the

order of

decreasingcontpnt.

3 Symbol indicating special

characteristics covering degree

of

purity hardenability, weldability guarantee, pleva

ted tempera·

mre properties, surface condition, surface finish and heat

treatment (for details see explanatory n o t r ~ under 3.1.1

and 3.1.2.1 ).

Examples:

25Cr4Mo2G Steel with ~ l l r n t e e d hardenability and

v i n ~

average 0 25 percent carbon, 1percent chromium

and 0 25 percent molybdenum

40Ni8Cr8V2 Hot

rolled

Heel

with

average

0 40

percent carbon,

2

percent

chromium,

2perrent nickel and 0 2 percent

vanadium

b

High alloy steels total

alloying

elemtllts

more

than

10

percent - The

designation shall consist of:

I Letter X

2)

Figure

indicating

100

times the percentaKe

carbon

content.

3) Chemical

symbol

for alloying

elements each followed

by

the

figure

for its average

percentage content

rounded off

to

the

nearest integer see Note

2

under 3.1.2.4 ).

4)

Chemical

symbol to indicate

specially

added element to

attain

the desired properties.

5) Symbol

indicating specific

characteristics covering

harden

ability, weldabilityguarantee, elevated

temperature

properties,

s u r f c ~ condition, surfare finish

and

heat treatment (for

explanatory

notes

on special

c h r c t ~ r i s t i c s

t3.1.1 ).

kgf

kgf/mm

2

kgf.m

APPENDIX

A

(

Clause

0.5 )

UNITS

USED

IN INDIAN STANDARDS

AND

THE

CORRESPONDING 81

UNITS

Units

in Metric System Comsponding SI Units

Newtons (N)

N/mm

joules

11

Examples:

X 5 C r 2 5 N i l ~ S 4

Alloy f ree

cutting steel

with

carbon

0 15 percent,

chromium

25

percent, nickel

15

percent and

sulphur 0 40 percent,

XI2CrlRNi3S25 Alloy free cutting steel

with

18 percent chromium,

nickel

3percent and sulphur 0 25 percent.

E,ramples:

XIOCrl8Ni9S3 Steel in pickled condition with average carbon

0 10

percent, chromium 18 percent and

nickel 9

percent.

XI5Cr25Nil2 Steel with ,0 15 percent carbon, 25 percent chromium

and 12 percent nickel

c) Alloy

too

steels - The ~ t e e l designation shall be as for low, medium

and

high

alloy steels

as given under (a)

and

(b)

above except

that the. sym,bol T

will

be i n ~ l u d e d in

the

beginning

d ~ s i g n t l n

01 low alloy and

medIUm

alloy

tool steels and

Xr

instead

of

X

in

the case

of high

alloy

tool

~ t e ~ l s

Examples:

XT75WIHCr4Vi High alloy tool

steel

with

average

carbon

0 75 percent, tungsten 18 percent, chromium

peront and vanadium

1

percent

XT98WGMo5Cr4Vi High

alloy

s l e ~ l with

average

carbon

0 98

percent,

tungsten

6 percent, molybdenum 5

percent,

chromium 4percent and

vanadium

1percent

d)

Fm

ruttillg alloy steels

-

The \teel

~ e ~ i g n t i o n

shall be

as fo r low,

medium

and high

alloy

steels a s g lVf n

under (a)

and (b) above

except that d ~ p e n d i n g on the pprrent,age of 8, Se,

e

and

Zr

present

the designation shall also

conSISt of

the

chemIcal

symbol

of

the

:lement

present

fi)lIowed by

the figure

indicating

100

times

its content.

IS11762 PartI)

·1974

Multiprying

Faclor

4

10

100

Elemellt

Co , Ni, Mn,

Si

and

W

AI, Be, V, Ph, ell Nb, Ti, Ta, ZI and Mo

P,

S,N

8/18/2019 is.1762.1.1974

16/16

BUREAU

OF INDIAN

STANDARDS

HUdqusrt.r.:

Manak Shavan,

9

Bahadur Shah

ZafarMarg, NEWDELHI

11

0002

Telephone

23230131,23233375,23239402 Fax 9 1 ~ 1 1 2 3 2 3 9 3 9 9 2 3 2 3 9 3 8 2

E•Mall

tnfo@bls

orgin

website

http

IIwww

bit orgin

C ntr. Laboratory

PlotNo 20 9 Site

IV,

Sahlbabad Industri.'Arla, SAHIBABAD 201010

RegionalOffice :

Central

Manak

Bhlvan, 9Bahadur

Shah

ZafarMarg, NEW

DELHI 11

0002

·Eastern

1/14 CITScheme VIIM,VI P Road,

Kankurgachl,

KOLKATA 700054

Northern SCQ

335-336,

Sector 34-A,CHANDIGARH 160022

SC uthern

T

Campus,

IVCross

Road,

CHENNAI600113

twestern Manakalaya,E9.MIDC. Behind

Marol Telephone Exchange,

A dhen

(East),

MUMBAI400093

Branch

O lces

'Pushpak', Nurmohamed

Shaikh

Marg, Khanpur,AHMEDABAD 380001

Peenya

Industrial Area, 1-'Stage, Bangalore-Tumkur Road,

8ANGALORE

Ccmmercral-cum-Offtce Complex. Opp

Dushera

Maldan.Arera

Colony,

Blttsn Market. BHOPAL462016

62-63,Ganga Nagar. UnttVI.

BHUBANEStiWAR

751001

5 rl

Floor. Koval

Towers, 448ala

Sundaram

Road, COIMBATORE

641018

SC021, Sector 12.

Fandabad 121007

SavitnComplex, 116 G. T Road, GHAZIABAD

201001

53/5Ward No 29,R G Barua Road, 5th

By-lane, Apurba

Stnha Path,

GUWAHATI781003

5-8-56C. L N Gupta

Marg,

Nampally Station

Road,

HYDERABAD 500001

PnthaviRajRoad. Opposite Bharat Overseas

Bank, C-Scheme.

JAIPUR 302001

11/418B, Sarvodaya

Nagar,

KANPUR 208005

Sethi

Bhawan, 2

nd

Floor. Behind LeelaCinema, NavalKishore Road,

lUCKNOW 226001

H No

15,sector-s,

PARWANOO.

Distt

Solan

(H

P)

173220

PlotNoA-20-21. InstltutlonqlArea, Sector62,

Goutam

Budh Nagar, NOIDA201307

Patllputra Industrial Estate, ~ A T N A

800013

PlotNoe; 657-660, Market

Yard.

Gultkdl, PUNE

411037

Sahajananc

House 3

rd

Floor,

Bhaktmagar Circle. 80Feet Road,

RAJKOT

360002

TC No 2/275 1 2),NearFood

Corporation

of

India, Kesavadasapuram-Ulloor

Road,

Kesavadasapuram,

THIRUVANANTHAPURAM

695004

1· Floor, Udyog Bhavan,

VUDA

Strlpuram Junction,

VISHAKHAPATNAM-03

·SalesOffice IS at5Chowrlnghee Approach, PO Pnncep Street, KOLKATA 700072

tSales Office (WRO) PlotNo E-9,

MIOC ,

RdNo 8,

Behind

Telephone Exchange,

Andhen

(East), Mumbal-400 0093

Printed

by

the Manager,Go ,.rnment of ~ d ~ a Press Farldabld,

2001

re/ phon

2770032

23237617

23378662

2609285

22541984

28329295

5601348

8394955

2423452

2403139

221 0141

2292175

2861498

2456508

23201084

2223282

2233012

2618923

235436

2402206

2262808

24274804

2378251

2557914

2712833

23553243

28329295

Documents

is.1762.1.1974