
400 KV Switchyard
JSW Renewable Energy
Industrial civil construction, substation & switchyard works, and CNG/LCNG statutory consultancy across Karnataka and Andhra Pradesh.
Building. Engineering. Delivering.
Under the leadership of Mr. Narayana Swamy P, NASAI has delivered high-value civil and structural projects with reputed clients including JSW, Jindal Saw, Sembcorp and EVREN — across Karnataka and Andhra Pradesh.




Blast furnaces, plants, tanks, thickeners and full-site civil packages.
Turnkey civil works for 300 MVA / 400 KV pooling substations and switchyards.
Cement plants, canteens, ultra fine and green cement unit structures.
End-to-end statutory approvals for CNG & LCNG stations across Karnataka.

JSW Renewable Energy

Jindal Saw Ltd.

Green Infra Wind Energy Ltd. (Sembcorp)
From substations and industrial plants to CNG/LCNG approvals — share your scope and we'll respond with a clear plan.
Contact NASAI