**Executive Summary**
This document is a response to Lok Sabha Unstarred Question No. 2086 regarding the infrastructure to supply natural gas in Tamil Nadu. The Minister of Petroleum and Natural Gas provides information on the status of natural gas supply through pipelines and City Gas Distribution (CGD) networks in the state. It references Annexures detailing pipeline specifics and CGD network targets as of December 31, 2025.
**Key Points / Main Content**
* **Natural Gas Supply:** Natural gas is supplied through natural gas pipelines and City Gas Distribution (CGD) networks.
* **Regulatory Authority:** The Petroleum & Natural Gas Regulatory Board (PNGRB) authorizes entities to lay, build, operate, or expand gas pipelines according to the PNGRB Act, 2006.
* **Pipeline Status:**
* Annexure-I details the operational, under construction, and partially commissioned natural gas pipelines passing through Tamil Nadu.
* **Operational Pipelines:** Includes the Cauvery Basin Network operated by GAIL.
* **Under Construction Pipelines:** Includes Ennore Nellore pipeline by GTIL.
* **Partially Commissioned Pipelines:** Includes the Kochi-Koottanad-Bangalore-Mangalore pipeline (GAIL) and Ennore-Thiruvallur-Bengaluru Puducherry-Nagapattinam Madurai-Tuticorin Pipeline (IOCL).
* **City Gas Distribution (CGD) Networks:**
* Providing PNG connections, establishing CNG stations, and laying pipeline infrastructure are part of CGD network development.
* PNGRB has authorized 18 Geographical Areas (GAs) in Tamil Nadu, including areas spanning into Puducherry, Andhra Pradesh, and Karnataka.
* Annexure-II provides GA-wise details of Minimum Work Programme (MWP) targets and achievements for establishing CGD networks in Tamil Nadu as of December 31, 2025.
**Impact Analysis**
**Stakeholder: Entities authorized by PNGRB (e.g., GAIL, GTIL, IOCL, Adani Total Gas Limited, Torrent Gas Limited, Megha City Gas Distribution Private Limited, Indian Oil Corporation Limited, IRM Energy Private Limited, Bharat Petroleum Corporation Limited)**
* **Impact:** Subject to PNGRB's authorization and regulations for laying, building, operating, or expanding gas pipelines and CGD networks.
* **Action Required:** Implement and meet the Minimum Work Programme (MWP) targets for establishing CGD networks as outlined in Annexure-II.
**Stakeholder: Consumers/Residents of Tamil Nadu**
* **Impact:** Affected by the availability and expansion of natural gas infrastructure, including PNG connections and CNG stations.
* **Action Required:** Review availability of piped gas in their area.
**Stakeholder: Petroleum & Natural Gas Regulatory Board (PNGRB)**
* **Impact:** Responsible for granting authorization to the entities to lay, build, operate, or expand Gas Pipeline.
* **Action Required:** Maintain the oversight of the authorized entities to lay, build, operate, or expand Gas Pipeline as per PNGRB Act, 2006.
Key Entities Referenced
Tamil Nadu: The Indian state where infrastructure to supply natural gas is being developed, as discussed in the Lok Sabha question.
Petroleum and Natural Gas Regulatory Board (PNGRB): The authority responsible for granting authorization to entities for laying, building, operating, or expanding gas pipelines.
City Gas Distribution (CGD) Network: The network through which natural gas is supplied to cities, involving Piped Natural Gas (PNG) connections and Compressed Natural Gas (CNG) stations.
PNGRB Act, 2006: The legislation that empowers PNGRB to authorize entities to lay, build, operate, or expand Gas Pipelines.
Lok Sabha: The lower house of the Parliament of India, where this question was raised regarding infrastructure for supplying natural gas in Tamil Nadu.
LOK SABHA
UNSTARRED QUESTION No. 2086
TO BE ANSWERED ON 12th February, 2026
INFRASTRUCTURE TO SUPPLY NATURAL GAS IN TAMIL NADU
2086. SHRI RAJA A:
पेट(cid:332)ोिलयम और (cid:366)ाकृ ितक गैस मं(cid:361)ी
Will the Minister of PETROLEUM AND NATURAL GAS be pleased to state:
(a) the status of providing infrastructure to extend gas as a source of energy of feedstock in the entire
State of Tamil Nadu;
(b) whether any time-frame has been fixed for implementation of supplying natural gas pipelines to all
the major cities and towns in the State, if so, the details thereof; and
(c) the details of the present status of supplying gas through pipeline to cities and towns on demand,
district-wise?
ANSWER
पेट(cid:332)ोिलयम और (cid:366)ाकृ ितक गैस मं(cid:361)ालय म(cid:336) रा(cid:475) मं(cid:361)ी
((cid:373)ी सुरेश गोपी)
MINISTER OF STATE IN THE MINISTRY OF PETROLEUM AND NATURAL GAS
(SHRI SURESH GOPI)
(a) to (c) Natural gas is supplied through a network of natural gas pipelines and through City Gas
Distribution (CGD) Network. Petroleum & Natural Gas Regulatory Board (PNGRB) is the authority to
grant authorization to the entities to lay, build, operate or expand Gas Pipeline as per PNGRB Act, 2006.
The status of operational as well as under construction/ partially commissioned natural gas pipelines
passing through the state of Tamil Nadu is at Annexure-I.
Providing Piped Natural Gas (PNG) connections, establishment of Compressed Natural Gas (CNG)
stations and laying of pipeline infrastructure is part of development of City Gas Distribution (CGD)
Networks and the same is carried out by the entities authorized by PNGRB, as per their Minimum Work
Programme (MWP).
In the state of Tamil Nadu, PNGRB has authorized 18 Geographical Areas (GAs) (1 GA spread over
Puducherry (UT) & Tamil Nadu and 1 GA spread over Andhra Pradesh, Tamil Nadu and Karnataka)
covering all the districts in the state. The GA-wise details of MWP targets and achievement for
establishing CGD networks in the state of Tamil Nadu, as on 31.12.2025, is at Annexure-II.
*****Annexure-I
ANNEXURE REFERRED TO IN REPLY TO PART (a) to (c) OF LOK SABHA UNSTARRED
QUESTION NO. 2086 TO BE ANSWERED ON 12.02.2026 REGARDING INFRASTRUCTURE
TO SUPPLY NATURAL GAS IN TAMIL NADU.
Details of Operational Natural Gas Pipeline Passing through the State of Tamil Nadu
States from
Name of Name of Authorized Operating
S. Date of Authorized which
Natural Gas Authorized Capacity Length
No. Authorization Length (KM) Pipeline
Pipelines Entity (MMSCMD) (KM)
passes
Cauvery
1 Basin GAIL 04.11.2009 240 4.33 242 Tamil Nadu
Network
Details of Under Construction Natural Gas Pipeline Passing through the State of Tamil Nadu
Name of Name of Authorized
S. Date of Authorized States from which
Natural Gas Authorized Capacity
No. Authorization Length (KM) Pipeline passes
Pipelines Entity (MMSCMD)
1 Ennore Nellore GTIL 02.12.2014 220 36 Tamil Nadu
Details of Partially Commissioned Natural Gas Pipeline Passing through the State of Tamil Nadu
Under
Auth. Authorized Operating States from
S. Name of Natural Date of Const.
Entity Length Capacity Length which Pipeline
No. Gas Pipelines Auth. Length
(KM) (MMSCMD) (KM) passes
(KM)
Kerala, Tamil
Kochi-Koottanad-
Nadu, Karnataka
1 Bangalore-Mangalore GAIL 31.05.2012 1,104 16 644 460
& UT of
Pipeline
Puducherry
Ennore-Thiruvallur-
Tamil Nadu,
Bengaluru
Karnataka,
Puducherry-
2 IOCL 10.12.2015 1,431 84.67 1,094 337 Andhra Pradesh,
Nagapattinam
UT of
Madurai-Tuticorin
Puducherry
Pipeline
(Source – PNGRB)
*****Annexure-II
ANNEXURE REFERRED TO IN REPLY TO PART (a) to (c) OF LOK SABHA UNSTARRED QUESTION NO. 2086 TO BE
ANSWERED ON 12.02.2026 REGARDING INFRASTRUCTURE TO SUPPLY NATURAL GAS IN TAMIL NADU.
S. Unique Geographical State/Union Authorized Date of Date of Domestic PNG CNG Stations Pipeline
No GA ID Area/ CGD Territory CGD Entity Authorizatio Target Total Infrastructure-
Networks n Completi Inch KM
on MWP Decem CNG CNG Pipelin Total
Target ber MWP (Dec e (Dece
(Cumu Targe embe MWP mber)
lative) t r) Target
1. 9.50 Karaikal & Puducherry Torrent Gas 28-Sep-18 30-Sep-28 166644 665 27 8 495 430
Nagapattinam & Tamil Limited
Districts Nadu
2. 9.61 Kanchipuram Tamil Nadu AGP CGD 26-09-2018 31-Mar-30 1151111 7353 111 50 668 2131
District India Private (New start
Limited date
01.04.2022)
3. 9.62 Chennai & Tamil Nadu Torrent Gas 07-09-2018 31-Mar-30 3300000 4493 222 80 6666 2868
Tiruvallur Districts Chennai (New start
Private date
Limited 01.04.2020)
4. 9.63 Coimbatore Tamil Nadu Indian Oil 12-09-2018 31-Mar-30 912783 39239 273 43 2500 3079
District Corporation (New start
Limited date
01.04.2022)
5. 9.64 Cuddalore, Tamil Nadu Adani Total 13-09-2018 31-Mar-30 300089 242 40 23 839 183
Nagapattinam & Gas Limited (New start
Tiruvarur Districts date
01.04.2022)
6. 9.65 Ramanathapuram Tamil Nadu AGP CGD 26-Sep-18 30-Sep-28 41311 4884 11 8 251 460
District India Private
Limited
7. 9.66 Salem District Tamil Nadu Indian Oil 12-09-2018 30-Sep-32 337062 5059 158 24 1368 711
Corporation (New start
Limited date
01.10.2024)8. 9.67 Tiruppur District Tamil Nadu Adani Total 13-09-2018 30-Sep-31 375005 2026 75 35 829 608
Gas Limited (New start
date
01.10.2023)
9. 18863 251 4055
Andhra 24-04-2019
AGP City
Chittoor, Kolar and Pradesh, (New start
Gas Private 31-Mar-30 2295933
10.03 Vellore Districts Karnataka & date 1731
Limited 52
Tamil Nadu 01.04.2022)
10. 11.45 Dharmapuri and Tamil Nadu Indian Oil 23-03-2022 31-Dec-30 1619227 1779 201 18 1201 563
Krishnagiri Corporation (New Start
districts Limited date
01.01.2023)
11. 11.46 Tiruvannamalai, Tamil Nadu Megha City 09-03-2022 31-Mar-31 1323000 7 99 9 2520 59
Villupuram and Gas (New Start
Kallakkurichi Distribution date
districts Private 01.04.2023)
Limited
12. 11.47 Ariyalur and Tamil Nadu Megha City 15-03-2022 31-Mar-31 419400 0 63 5 1530 117
Perambalur Gas (New Start
districts Distribution date
Private 01.04.2023)
Limited
13. 11.48 Namakkal and Tamil Nadu IRM Energy 15-03-2022 31-Mar-32 1774000 1241 290 37 1450 734
Tiruchirapalli Private (New Start
districts Limited date
01.04.2024)
14. 11.49 Pudukottai, Tamil Nadu Megha City 23-03-2022 30-Jun-31 1400004 0 216 7 6498 189
Sivaganga and Gas (New Start
Thanjavur districts Distribution date
Private 01.07.2023)
Limited
15. 11.50 Madurai, Theni Tamil Nadu Indian Oil 23-03-2022 31-Dec-30 2846696 2346 201 28 2001 778
and Virudhnagar Corporation (New Start
districts Limited date
01.01.2023)16. 11.51 Kanyakumari, Tamil Nadu Indian Oil 23-03-2022 31-Dec-30 2939842 2202 251 16 2001 804
Thoothukudi, Corporation (New Start
Tiruneveli Kattabo Limited date
and Tenkasi 01.01.2023)
districts
17. 11.52 Dindigul and Tamil Nadu Megha City 15-03-2022 31-Dec-30 1008000 0 135 3 3510 106
Karur districts Gas (New Start
Distribution date
Private 01.01.2023)
Limited
18. 11.53 The Nilgiris and Tamil Nadu Bharat 15-Mar-22 31-Mar-30 884777 41999 201 57 1316 1205
Erode districts Petroleum
Corporation
Limited
Total-CGD Networks authorized by PNGRB. 23094884 132398 2825 503 37374 19080
(Source-PNGRB)
*****