West Bengal
OSTL is a West Bengal manufacturer. Our transformer unit and our in-house radiator unit (Sankrail, from 2026) are both in Howrah district, and our office is in central Kolkata.
WHERE WE SUPPLY
We supply transformers worldwide
Established in 2007, Om Shakti Transformers Limited manufactures power and distribution transformers up to 10 MVA and 66 kV, and dry-type transformers up to 3 MVA in Howrah, West Bengal, and supplies customers worldwide. Enquiries from any state or country are welcome.
Our focus regions
We give particular attention to eastern and north-east India, the Andaman and Nicobar Islands, Nepal, Bhutan and Bangladesh, which are all within easy reach of our Howrah base by road, rail or sea.
Odisha
OSTL supplies Odisha from its manufacturing base in Howrah, West Bengal, a neighbouring state on the eastern corridor.
Bihar
OSTL serves buyers in Bihar from its Howrah manufacturing unit, with commercial discussions from the Kolkata office.
Jharkhand
OSTL supplies transformers for Jharkhand projects from its manufacturing unit in Howrah, West Bengal.
Assam, Sikkim & North-East India
OSTL supplies Assam, Sikkim and the North-Eastern states from Howrah, West Bengal, which sits on the main route to the region through Siliguri.
Andaman & Nicobar Islands
OSTL welcomes transformer enquiries from the Andaman and Nicobar Islands: utilities, government and defence-related projects, hotels, ports, hospitals and commercial buildings. We manufacture in Howrah, close to Kolkata port.
Nepal
OSTL welcomes transformer enquiries from Nepal: industries, hydropower developers, contractors and utilities. Our manufacturing is in Howrah, near Kolkata.
Bhutan
OSTL welcomes enquiries from Bhutan for industrial, commercial, hydropower-related and utility projects, supplied from Howrah near Kolkata.
Bangladesh
OSTL welcomes enquiries from Bangladesh, mainly industrial plants, commercial buildings and EPC contractors, supplied from Howrah near Kolkata.
LET’S TALK ABOUT YOUR PROJECT
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question?
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Application and tender context
For your project type, see industry/application guides. Procurement teams can also review tender documents, BIS scope and vendor-status questions.