National Highways Authority of India (NHAI) has declared Krishna Constellation as the lowest bidder (L one bidder) for its HAM project worth Rs 1,953 crore.

The work involves construction of a four-lane Pathalgaon KunkuriCG/JH border section of NH43 starting from end point of NH-130A design ch.00.000 to ch. 104.250 (from Turua Ama vill to Putrichoura vill).

The National Highways Authority of India or NHAI is an agency of the Government of India, set up in 1995 (Act 1988) and is responsible for management of a road network of over 50,000 km of National highways out of 1,32,499 km in India.

It is a nodal agency of the Ministry of Road Transport and Highways (MoRTH). NHAI has signed a memorandum of understanding (MoU) with the Indian Space Research Organisation (ISRO) for satellite mapping of highways.