Programme of work

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BUREAU OF INDIAN STANDARDS


Petroleum, Coal and Related Products Department

Programme of Work




PCD3 : Petroleum and their Related Products of Synthetic or Biological or Natural Origin


  • Scope : To formulate Indian Standards for terminology; petroleum, petroleum products, biofuels (liquid and gas), fuels and e-fuels produced through synthesis route, specification for natural gas, hydrogen and other renewable fuels, diesel exhaust fluids and codes of practice for storage, handling, transport and application.
  • Liaison :
    ISO/TC 193 - Natural gas - Participating (P)
    ISO/TC 255 - Biogas - Participating (P)
    ISO/TC 28 - Petroleum and related products, fuels and lubricants from natural or synthetic sources - Participating (P)
    ISO/TC 28/AG 0 - TC 28 Advisory Group
    ISO/TC 28/SC 7 - Liquid Biofuels - Participating (P)
    ISO TC 28/SC 4 - Classifications and specifications - Participating (P)

Published Standards

SI. No.
IS No.
Title
Reaffirmation Details
No. of Amendments
Degree of Equivalence
1.
 IS 11254:2009
Reviewed In : 2024
Code of practice for dispensation of aviation fuel and allied products (First Revision)
April, 2024
-
Indigenous
2.
 IS 11489:1985
Reviewed In : 2020
Specification for heavy petroleum stock (Hps)
October, 2020
2
Indigenous
3.
 IS 11489:2025
HEAVY PETROLEUM STOCK (HPS ) - SPECIFICATION (First Revision)
-
Indigenous
4.
 IS 13833:2019

Reviewed In : 2024
Decision taken to Reaffirm and Archive
Microcrystalline Wax Derived From Petroleum — Specification ( First Revision )
February, 2024
-
Indigenous
5.
 IS 1459:2018

Reviewed In : 2023
Kerosene - Specification (Fourth Revision)
May, 2023
-
Indigenous
6.
 IS 1460:2025
Automotive Diesel Fuel - Specification (seventh revision)
1
Indigenous
7.
 IS 14861:2000
Reviewed In : 2020
Liquefied petroleum gases (Lpg) for automotive purposes - Specification
October, 2020
1
Indigenous
8.
 IS 15126:2002
ISO 13443
Reviewed In : 2023
Reaffirmed but not taken up for revision
Natural gas - Standard reference conditions
May, 2023
-
Identical under dual numbering
9.
 IS 15127:2024
ISO 13686 : 2013
Natural Gas - Quality Designation ( First Revision)
-
Identical under dual numbering
10.
 IS 15217:2002
Reviewed In : 2019
Fuel oil for diesel generating sets - Specification
April, 2019
-
Indigenous
11.
 IS 15320 (Part 1):2012
ISO 15403-1 : 2006
Reviewed In : 2023
Reaffirmed but not taken up for revision
Natural gas - Natural gas for use as a compressed fuel for vehicles: Part 1 designation of the quality (First Revision)
May, 2023
-
Identical under dual numbering
12.
 IS 15464:2022
ANHYDROUS ETHANOL FOR USE AS BLENDING COMPONENT IN MOTOR GASOLINE SPECIFICATION First Revision
-
Indigenous
13.
 IS 15607:2022
Biodiesel B-100 - Fatty Acid Methyl Esters FAME Specification Second Revision
-
Indigenous
14.
 IS 1571:2018

Reviewed In : 2023
Aviation turbine fuels, kerosine type, jet - A - 1 - Specification (Tenth Revision)
May, 2023
5
Modified/Technically Equivalent
15.
 IS 15770:2008
Reviewed In : 2019
Reaffirmed but not taken up for revision
Light diesel oil - Specification
April, 2019
-
Indigenous
16.
 IS 15770:2021
Heating Oil(LDO) - Specification
-
Indigenous
17.
 IS 1587:2017

Reviewed In : 2022
Aviation turbine fuel, high flash point type - Specification (Fourth Revision)
March, 2022
-
Modified/Technically Equivalent
18.
 IS 1593:2018

Reviewed In : 2023
Fuel oils - Specification (Third Revision)
May, 2023
-
Indigenous
19.
 IS 15958:2023
Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG) for Automotive Purposes � Specification (First Revision)
-
Indigenous
20.
 IS 1604:2022
Aviation gasoline - Specification (fifth revision)
-
Indigenous
21.
 IS 16061:2021
ISO 14687:2019
Reviewed In : 2026
HYDROGEN FUEL QUALITY PRODUCT SPECIFICATION
March, 2026
-
Identical under dual numbering
22.
 IS 16087:2016

Reviewed In : 2020
Biogas (Biomethane) - Specification (First Revision)
October, 2020
-
Indigenous
23.
 IS 16087:2025
Biogas Biomethane - Specification (Second Revision)
-
Indigenous
24.
 IS 16531:2022
Biodiesel Diesel Fuel Blend B8 to B20 Specification First Revision of IS 16531
-
Not Equivalent
25.
 IS 16629:2017

Reviewed In : 2022
Decision taken to Reaffirm and Archive
Hydrous ethanol for use in ed 95 automotive fuel - Specification
March, 2022
-
Indigenous
26.
 IS 16634:2023
E85 FUEL ADMIXTURE OF ANHYDROUS ETHANOL AND MOTOR GASOLINE FOR FLEX FUEL POSITIVE IGNITION ENGINE POWERED VEHICLES SPECIFICATION
-
Indigenous
27.
 IS 16704:2018
ISO 16861 : 2015
Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum products - Fuels (Class F) - Specifications of dimethyl ether (Dme
May, 2023
1
Identical under dual numbering
28.
 IS 16731:2019
ISO 8217 : 2017
Reviewed In : 2024
Petroleum products - Fuels (?Class F?) - Specifications of marine fuels
April, 2024
-
Identical under dual numbering
29.
 IS 16737:2018
ISO 8216-2 : 1986
Reviewed In : 2023
Decision taken to Reaffirm and Archive
Petroleum Products- Fuels (Class F) - Classification Part 2 Categories of Gas Turbine Fuels for Industrial and Marine Applications
March, 2023
-
Identical under dual numbering
30.
 IS 16737 (Part 3):2018
ISO 8216-3 : 1987
Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum products - Fuels (Class F) - Classification: Part 3 family l (Liquefied Petroleum Gases)
May, 2023
-
Identical under dual numbering
31.
 IS 16737 (Part 99):2017
ISO 8216-99 : 2002
Reviewed In : 2022
Decision taken to Reaffirm and Archive
Petroleum products - Fuels (Class F) - Classification: Part 99 general
March, 2022
-
Identical under dual numbering
32.
 IS 16861:2018

Reviewed In : 2024
High flash high speed diesel fuel - Specification
April, 2024
1
Not Equivalent
33.
 IS 17042 (Part 1):2020
ISO 22241-1 : 2019
Reviewed In : 2025
Decision taken to Reaffirm and Archive
Diesel Engines — NOx Reduction Agent AUS 32 Part 1 Quality Requirements ( First Revision )
March, 2025
-
Identical under dual numbering
34.
 IS 17042 (Part 2):2020
ISO 22241-2 : 2019
Reviewed In : 2024
Decision taken to Reaffirm and Archive
Diesel Engines — NOx Reduction Agent Aus 32 Part 2 Test Methods ( First Revision )
April, 2024
-
Identical under dual numbering
35.
 IS 17042 (Part 3):2018
ISO 22241-3 : 2017
Reviewed In : 2023
Decision taken to Reaffirm and Archive
Diesel Engines - NOX Reduction Agent AUS 32 Part 3 Handling, Transportation and Storage
March, 2023
-
Identical under dual numbering
36.
 IS 17049:2018

Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum coke for anode making in aluminium industry - Specification
May, 2023
1
Indigenous
37.
 IS 17075:2019
Anhydrous methanol for use as a blending component in fuels - Specification
-
Indigenous
38.
 IS 17076:2019

Reviewed In : 2024
Decision taken to Reaffirm and Archive
M15 fuel - Admixture of anhydrous methanol and motor gasoline as fuel for spark ignited engines - Specification
August, 2024
1
Indigenous
39.
 IS 17081:2019

Reviewed In : 2024
Aviation turbine fuel (Kerosene Type, Jet A - 1) containing synthesized hydrocarbons - Specification
February, 2024
1
Indigenous
40.
 IS 17314:2019
Hydrogen Enriched Compressed Natural Gas ( HCNG ) for Automotive Purposes — Specification
-
Indigenous
41.
 IS 1745:2018

Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum hydrocarbon solvents - Specification (Third Revision)
May, 2023
-
Indigenous
42.
 IS 17586:2021
E12 and E15 Fuel - Admixture of Anhydrous Ethanol and Motor Gasoline - For Positive Ignition Engine Powered Vehicles - Specification
-
Indigenous
43.
 IS 17661 (Part 1):2022
ISO 18611-1:2014
Ships and marine technology Marine NOX Reduction Agent AUS 40 Part 1: Quality Requirements
-
Identical under dual numbering
44.
 IS 17661 (Part 2):2022
ISO 18611-2:2014
Ships and marine technology Marine NOX Reduction Agent AUS 40 Part 2: Test Methods
-
Identical under dual numbering
45.
 IS 17661 (Part 3):2022
ISO 18611-3:2014
Ships and marine technology Marine NOX Reduction Agent AUS 40 Part 3: Handling transportation and storage
-
Identical under dual numbering
46.
 IS 17789:2022
Gas oil - Specification
1
Indigenous
47.
 IS 17792:2022
Vacuum gas oil VGO - Specification
-
Indigenous
48.
 IS 17793:2022
Kerosene Intermediate - Specification
-
Indigenous
49.
 IS 17794:2022
Petroleum naphtha - Specification
-
Indigenous
50.
 IS 17821:2022
ETHANOL AS A FUEL FOR USE IN POSITIVE IGNITION ENGINE POWERED VEHICLES SPECIFICATION
-
Indigenous
51.
 IS 17943:2022
E20 Reference Fuel Admixture of Anhydrous Ethanol and Motor Gasoline Specification
-
Indigenous
52.
 IS 18247:2023
ISO 23306:2020
Liquefied natural gas as a fuel for marine applications - Specification
-
Identical under dual numbering
53.
 IS 18465:2023
Ethane for use as feedstock for petrochemical - Specification
-
Indigenous
54.
 IS 18698:2024
20 PERCENT DIMETHYL ETHER DME BLENDED LIQUEFIED PETROLEUM GAS LPG SPECIFICATION
-
Indigenous
55.
 IS 19275:2025
Automotive fuels - Paraffinic diesel fuel from synthesis or hydrotreatment -Specification
-
Modified/Technically Equivalent
56.
 IS/ISO/PAS 22263:2019
ISO/PAS 23263 : 2019

Reaffirmed but not taken up for revision
Petroleum Products — Fuels ( class F ) — Considerations for Fuel Suppliers and Users Regarding Marine Fuel Quality in View of the Implementation of Maximum 0.50% Sulfur in 2020
-
Identical under dual numbering
57.
 IS 2796:2017

Reviewed In : 2024
Motor gasoline - Specification (Sixth Revision)
April, 2024
5
Indigenous
58.
 IS 3470:2017

Reviewed In : 2022
Hexane, food grade - Specification (Second Revision)
March, 2022
2
Indigenous
59.
 IS 4576:2021
Liquefied Petroleum Gases-Specification
-
Not Equivalent
60.
 IS 4639 (Part 1):2000
ISO 1998-1
Reviewed In : 2020
Petroleum industry - Terminology: Part 1 raw materials and products (First Revision)
October, 2020
-
Identical under dual numbering
61.
 IS 4639 (Part 2):2000
ISO 1998-2
Reviewed In : 2020
Petroleum industry - Terminology: Part 2 properties and tests (First Revision)
October, 2020
-
Identical under dual numbering
62.
 IS 4639 (Part 3):2000
ISO 1998-3
Reviewed In : 2020
Petroleum indusry - Terminology: Part 3 exploration and production (First Revision)
October, 2020
-
Identical under dual numbering
63.
 IS 4639 (Part 4):2000
ISO 1998-4
Reviewed In : 2020
Petroleum 1ndustr% - Terminology: Part 4 refining (First Revision)
October, 2020
-
Identical under dual numbering
64.
 IS 4639 (Part 5):2000
ISO 1998-5
Reviewed In : 2020
Petroleum i - Ndustry - Terminology: Part 5 transport, storage, distribution (First Revision)
October, 2020
-
Identical under dual numbering
65.
 IS 4639 (Part 6):2002
ISO 1998-6
Reviewed In : 2020
Petroleum industry - Terminology: Part 6 measurement (First Revision)
October, 2020
-
Identical under dual numbering
66.
 IS 4639 (Part 7):2000
ISO 1998-7
Reviewed In : 2020
Petroleum industry - Terminology: Part 7 miscellaneous terms (First Revision)
October, 2020
-
Identical under dual numbering
67.
 IS 4639 (Part 99):2002
ISO 1998-99
Reviewed In : 2024
Decision taken to Reaffirm and Archive
Petroleum industry - Terminology: Part 99 general and index (First Revision)
April, 2024
-
Identical under dual numbering
68.
 IS 4654:2019


Reaffirmed but not taken up for revision
Paraffin Wax — Specification ( Third Revision )
-
-
Indigenous
69.
 IS 534:2021
Benzene - Specification (Fifth Revision)
-
Indigenous
70.
 IS 537:2025
Toluene - Specification (third revision)
1
Indigenous
71.
 IS/ISO 8216-1:2010
ISO 8216-1 : 2010
Reviewed In : 2020
Petroleum products - Fuels (Class F) classification: Part 1 categories of marine fuels
October, 2020
-
Identical under dual numbering
72.
 IS 8502:2025
PETROLEUM COKE - SPECIFICATION (second revision)
-
Indigenous
73.
 IS 8502:2018

Reviewed In : 2024
Petroleum coke - Specification (Second Revision)
April, 2024
1
Indigenous

Standards Under Develpoment

Projects Approved

SI. No.
Doc No
TITLE
No Records Found

Preliminary Draft Standards

SI. No.
Doc No
TITLE
No Records Found

Drafts Standards in WC Stage

SI. No.
Doc No
TITLE
No Records Found

Draft Standards Completed WC Stage

SI. No.
Doc No
TITLE
1
PCD 3 (23286)
Motor gasoline - Specification Sixth Revision Amendment - 6
2
PCD 3 (27242)
Revision of: IS 16731:2019
PETROLEUM PRODUCTS FUELS CLASS F SPECIFICATION OF MARINE FUELS First Revision of IS 16731
3
PCD 3 (27791)
Revision of: IS 16061:2021
HYDROGEN FUEL QUALITY PRODUCT SPECIFICATION Second Revision of IS 16061
4
PCD 3 (28703)
Revision of: IS 14861:2000
LIQUEFIED PETROLEUM GASES LPG FOR AUTOMOTIVE PURPOSES SPECIFICATION

Finalized Draft Indian Standard

SI. No.
Doc No
TITLE
1
PCD 3 (22730)
Revision of: IS 1593:2018
FUEL OILS - SPECIFICATION
2
PCD 3 (23723)
Revision of: IS 1459:2018
KEROSENE SPECIFICATION
3
PCD 3 (24410)
Revision of: IS 534:2021
BENZENE - SPECIFICATION
4
PCD 3 (24729)
HEXANE INDUSTRIAL SOLVENT GRADE SPECIFICATION
5
PCD 3 (24988)
Revision of: IS 16861:2018
HIGH FLASH HIGH SPEED DIESEL SPECIFICATION

Finalized Draft Indian Standards under Print

SI. No.
Doc No
TITLE
1
PCD 3 (28497)
E 20 fuel - Admixture of anhydrous ethanol and gasoline - As fuel for spark ignited engine powered vehicles - Specification Amendment - 4


Aspect Wise Report

 
 Product:   48
 Code of Practices :    3
 Methods of Test :   2
 Terminology :   11
 Dimensions :   0
 System Standard :   0
 Safety Standard :   0
 Others :    4
 Service Specification :    0
 Process Specification :    0
 Unclassified :    0
 


Annexure-I :List of Indian Standards Withdrawn/Superseded

SI. No.
IS No.
Title
1.
 IS 1002:1956
Multipurpose Grease No 1 No 2 and No 3
2.
 IS 10356:1982
Automotive internal combustion engine lubricating oils from base stocks of mixed crude
3.
 IS 11488:1985
Reviewed In : 2016
fuel oil for use in marine diesel engines
4.
 IS 1276:1958
Grease S No 2
5.
 IS 1277:1987
Gear Lubricant Regular
6.
 IS 15320:2003
ISO 15403
Reviewed In : 2014
Natural Gas - Designation of the Quality of Natural Gas for Use as a Compressed Fuel for Vehicles
7.
 IS 1585:1960
Motor gasoline 79 octane
8.
 IS 1588:1967
Aviation turbine fuels wide cut gasoline type
9.
 IS 1674:1960
Reviewed In : 1990
temporary corrosion preventive fluid soft film solvent deposited
10.
 IS 17042 (Part 1):2018
ISO 22241-1 : 2006
Diesel engines - Nox reduction agent aus 32 Part 1 quality requirements
11.
 IS 2660:1964
Reviewed In : 1990
Oil Cylinder Grade 4
12.
 IS 311:1951
Oil cylinder pure mineral ordinary
13.
 IS 312:1951
Oil cylinder compounded ordinary
14.
 IS 313:1951
Oil cylinder pure mineral super heat
15.
 IS 314:1951
Oil cylinder compounded super heat
16.
 IS 315:1951
Oil cylinder pure mineral filtered
17.
 IS 316:1951
Oil cylinder compounded filtered
18.
 IS 317:1970
Automotive hydraulic brake sluid moderate duty
19.
 IS 3433:1965
Oil Mineral Colza
20.
 IS 409:1952
Grease S No 3
21.
 IS 4639:1968
Reviewed In : 2011
Glossary Of Petroleum Terms
22.
 IS 4654:1993
Reviewed In : 2011
Paraffin Wax
23.
 IS 496:1982
Automotive internal combustion engine lubricating oils
24.
 IS 509:1953
Grease L No 4
25.
 IS 6048:1970
Reviewed In : 1987
temporary corrosion preventive soft film hot dipping type
26.
 IS 7029:1973
Reviewed In : 1990
Fode of practice for inhibition of internal combustion engine coolant water
27.
 IS 721:1955
Grease S soft loco
28.
 IS 7574:1975
Emergency specification for kerosine alternative to IS 1459 1974
29.
 IS 7575:1975
Emergency specification for diesel fuels alternative to IS 1460 1974
30.
 IS 7667:1975
Reviewed In : 2016
Code of Practice for Handling and Storage of Aviation Fuels at Airfield Fuelling Stations
31.
 IS 9048:1982
re-refined automotive internal combustion engine lubricating oils


Annexure-II :List of Indian Product Standards

SI. No.
IS No. & Year
Title
1.
 IS 11489:2025
HEAVY PETROLEUM STOCK HPS - SPECIFICATION First Revision
2.
 IS 13833:2019

Reviewed In : 2024
Decision taken to Reaffirm and Archive
Microcrystalline Wax Derived From Petroleum Specification First Revision
3.
 IS 1459:2018

Reviewed In : 2023
Kerosene - Specification Fourth Revision
4.
 IS 1460:2025
Automotive Diesel Fuel - Specification seventh revision
5.
 IS 14861:2000
Reviewed In : 2020
Liquefied petroleum gases Lpg for automotive purposes - Specification
6.
 IS 15217:2002
Reviewed In : 2019
Fuel oil for diesel generating sets - Specification
7.
 IS 15464:2022
ANHYDROUS ETHANOL FOR USE AS BLENDING COMPONENT IN MOTOR GASOLINE SPECIFICATION First Revision
8.
 IS 15607:2022
Biodiesel B-100 - Fatty Acid Methyl Esters FAME Specification Second Revision
9.
 IS 1571:2018

Reviewed In : 2023
Aviation turbine fuels kerosine type jet - A - 1 - Specification Tenth Revision
10.
 IS 15770:2008
Reviewed In : 2019
Reaffirmed but not taken up for revision
Light diesel oil - Specification
11.
 IS 15770:2021
Heating Oil LDO - Specification
12.
 IS 1587:2017

Reviewed In : 2022
Aviation turbine fuel high flash point type - Specification Fourth Revision
13.
 IS 1593:2018

Reviewed In : 2023
Fuel oils - Specification Third Revision
14.
 IS 15958:2023
Compressed Natural Gas CNG and Liquefied Natural Gas LNG for Automotive Purposes Specification First Revision
15.
 IS 1604:2022
Aviation gasoline - Specification fifth revision
16.
 IS 16061:2021
ISO 14687:2019
Reviewed In : 2026
HYDROGEN FUEL QUALITY PRODUCT SPECIFICATION
17.
 IS 16087:2025
Biogas Biomethane - Specification Second Revision
18.
 IS 16531:2022
Biodiesel Diesel Fuel Blend B8 to B20 Specification First Revision of IS 16531
19.
 IS 16629:2017

Reviewed In : 2022
Decision taken to Reaffirm and Archive
Hydrous ethanol for use in ed 95 automotive fuel - Specification
20.
 IS 16634:2023
E85 FUEL ADMIXTURE OF ANHYDROUS ETHANOL AND MOTOR GASOLINE FOR FLEX FUEL POSITIVE IGNITION ENGINE POWERED VEHICLES SPECIFICATION
21.
 IS 16704:2018
ISO 16861 : 2015
Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum products - Fuels Class F - Specifications of dimethyl ether Dme
22.
 IS 16731:2019
ISO 8217 : 2017
Reviewed In : 2024
Petroleum products - Fuels Class F - Specifications of marine fuels
23.
 IS 16861:2018

Reviewed In : 2024
High flash high speed diesel fuel - Specification
24.
 IS 17049:2018

Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum coke for anode making in aluminium industry - Specification
25.
 IS 17075:2019
Anhydrous methanol for use as a blending component in fuels - Specification
26.
 IS 17076:2019

Reviewed In : 2024
Decision taken to Reaffirm and Archive
M15 fuel - Admixture of anhydrous methanol and motor gasoline as fuel for spark ignited engines - Specification
27.
 IS 17081:2019

Reviewed In : 2024
Aviation turbine fuel Kerosene Type Jet A - 1 containing synthesized hydrocarbons - Specification
28.
 IS 17314:2019
Hydrogen Enriched Compressed Natural Gas HCNG for Automotive Purposes Specification
29.
 IS 1745:2018

Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum hydrocarbon solvents - Specification Third Revision
30.
 IS 17586:2021
E12 and E15 Fuel - Admixture of Anhydrous Ethanol and Motor Gasoline - For Positive Ignition Engine Powered Vehicles - Specification
31.
 IS 17661 (Part 1):2022
ISO 18611-1:2014
Ships and marine technology Marine NOX Reduction Agent AUS 40 Part 1 Quality Requirements
32.
 IS 17789:2022
Gas oil - Specification
33.
 IS 17792:2022
Vacuum gas oil VGO - Specification
34.
 IS 17793:2022
Kerosene Intermediate - Specification
35.
 IS 17794:2022
Petroleum naphtha - Specification
36.
 IS 17821:2022
ETHANOL AS A FUEL FOR USE IN POSITIVE IGNITION ENGINE POWERED VEHICLES SPECIFICATION
37.
 IS 17943:2022
E20 Reference Fuel Admixture of Anhydrous Ethanol and Motor Gasoline Specification
38.
 IS 18247:2023
ISO 23306:2020
Liquefied natural gas as a fuel for marine applications - Specification
39.
 IS 18465:2023
Ethane for use as feedstock for petrochemical - Specification
40.
 IS 18698:2024
20 PERCENT DIMETHYL ETHER DME BLENDED LIQUEFIED PETROLEUM GAS LPG SPECIFICATION
41.
 IS 19275:2025
Automotive fuels - Paraffinic diesel fuel from synthesis or hydrotreatment -Specification
42.
 IS/ISO/PAS 22263:2019
ISO/PAS 23263 : 2019

Reaffirmed but not taken up for revision
Petroleum Products Fuels class F Considerations for Fuel Suppliers and Users Regarding Marine Fuel Quality in View of the Implementation of Maximum 0 50 Sulfur in 2020
43.
 IS 2796:2017

Reviewed In : 2024
Motor gasoline - Specification Sixth Revision
44.
 IS 3470:2017

Reviewed In : 2022
Hexane food grade - Specification Second Revision
45.
 IS 4576:2021
Liquefied Petroleum Gases-Specification
46.
 IS 534:2021
Benzene - Specification Fifth Revision
47.
 IS 537:2025
Toluene - Specification third revision
48.
 IS 8502:2025
PETROLEUM COKE - SPECIFICATION second revision