G.O. No.SS.II/631-7/2023, Declaration of Power Grid Corporation of India Limited Substation Premises as Prohibited Place, 2026
The Government of Tamil Nadu, Public Department, issued Government Order G.O. No.SS.II/631-7/2023 dated 20 January 2026, declaring the Power Grid Corporation of India Limited 765/400 KV Substation premises at Somenahalli and Pangunatham villages, Nallampalli Taluk, Dharmapuri District, a "Prohibited Place" under the Official Secrets Act, 1923. The declaration took effect when the notification was published in the Tamil Nadu Government Gazette on 25 February 2026 and applies to the 112.21 acres identified in its schedule.
What the notification does
The Government of Tamil Nadu, Public Department, issued Government Order G.O. No.SS.II/631-7/2023 dated 20 January 2026. It declares the scheduled premises of the Power Grid Corporation of India Limited 765/400 KV Substation in Somenahalli and Pangunatham villages, Nallampalli Taluk, Dharmapuri District, a "Prohibited Place" under the Official Secrets Act, 1923.
The declaration applies from 25 February 2026, the date on which the notification was published in the Tamil Nadu Government Gazette.
Land covered
The scheduled premises cover a total area of 112.21 acres in:
- Somenahalli village, including the survey numbers listed in the schedule from Survey No. 102/1C2 to Survey No. 149/5.
- Pangunatham village, including the listed parts of Survey Nos. 54, 55, 56 and 61.
- Nallampalli Taluk, Dharmapuri District.
The schedule also identifies neighbouring survey numbers forming the northern, eastern, southern and western boundaries. The detailed survey number list and boundary particulars are therefore important when checking whether a particular parcel falls inside or next to the declared premises.
Why the premises were declared
The Government of Tamil Nadu records that the substation is used for power transmission and is a vital infrastructure installation. It receives power from generating stations in the coastal districts of Thoothukudi and Nagapattinam and connects with Somenahalli, Madhugiri in Karnataka, Salem and the Tamil Nadu Generation and Distribution Corporation in Dharmapuri District.
The declaration was made on the basis that information about the premises, damage or destruction, obstruction or interference could be useful to an enemy. Recommendations were received from the Dharmapuri District authorities and the Deputy Inspector General of Police, Intelligence (Security), Security Branch CID, Chennai.
Who should check the schedule
The declaration is directly relevant to the Power Grid Corporation of India Limited and anyone dealing with land inside or adjoining the scheduled substation premises. Buyers, owners and professionals checking nearby property should compare the village, survey number, subdivision and boundaries against the full schedule rather than relying only on the total acreage.
The District Collector reported that the 112.21 acres had been acquired by the Power Grid Corporation of India Limited through compulsory land acquisition and alienation of poramboke lands.
This summary is generated from the source document to help you find what is relevant. The PDF above is authoritative. For advice on your own property, use LandLens One or speak to a qualified professional.
Common questions
When did the prohibited place declaration take effect?
It took effect on 25 February 2026, when the notification was published in the Tamil Nadu Government Gazette.
Does the declaration cover all land in Somenahalli and Pangunatham villages?
No. It covers the specific 112.21 acres and survey numbers listed in the schedule for the Power Grid Corporation of India Limited substation premises.
How can I check whether my land is within or beside the declared premises?
Compare the village, survey number, subdivision and boundary details in your land records with the schedule. The schedule lists the covered survey numbers and neighbouring lands on all four sides.
Was the scheduled land already acquired by the Power Grid Corporation of India Limited?
The District Collector reported that the 112.21 acres had been acquired through compulsory land acquisition and alienation of poramboke lands.
