Completed
400 KV Switchyard
JSW Renewable Energy
Rajapur Village, Sandur Taluk, Ballari₹4.5 Crores
Industrial Plant Construction · Substations · Structural · Consultancy
NASAI Constructionsand Consultancy
Delivering heavy civil works for steel plants, cement plants, substations & switchyards — alongside CNG/LCNG statutory consultancy across Karnataka and Andhra Pradesh.
Building. Engineering. Delivering.
Established 2021
Precision execution for industrial & energy infrastructure.
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.
Flagship Service
Our Strongest Practice
Industrial Plant Construction.
This is what we do best. We build the heavy civil work for big factories — strong foundations, tanks, equipment bases and full site work for steel plants, cement plants and process industries across Karnataka and Andhra Pradesh.
- Heavy machine foundations
- Tanks & process structures
- Plant civil packages
- Built safe, on time, on spec
What we do
Capabilities built for execution at scale.
Industrial Plant Construction
Foundations, tanks and full civil work for big factories and plants.
Industrial Plant Construction
Substations & Switchyards
Complete civil work for power substations and switchyards.
Substations & Switchyards
Buildings & Structures
Cement plant buildings, canteens and supporting structures.
Buildings & Structures
CNG / LCNG Approvals
Help getting all government approvals for CNG and LCNG stations in Karnataka.
CNG / LCNG Approvals
Selected work
View all Projects delivered with precision.
Completed
Industrial Civil Works
Jindal Saw Ltd.
Haresamudram, Andhra Pradesh₹9 Crores
Completed
300 MVA Pooling Substation
Green Infra Wind Energy Ltd. (Sembcorp)
Kanakagiri, Karnataka₹5.5 Crores
Let's buildHave a project on the table?
Have a project on the table?
Let's talk execution.
From substations and industrial plants to CNG/LCNG approvals — share your scope and we'll respond with a clear plan.