Shimla, Aug. 3 -- Himachal Pradesh State Electricity Board (HPSEB) management has written a letter to state government and vigilance seeking action against former officers of the electricity board. The letter reads that Sunil Grover, a retired officer from the electricity board, along with the then CMD were responsible for the construction of 400 kV Kunihar line against the advice of the finance department. It cost Rs.126 crore, which has not received any regulatory approval till date. The management in a statement said that it has accorded prosecution sanction against the erring official Grover.It is clarified that Grover and the then CMD was responsible for the construction of the 400KV Kunihar line against the advice of the finance wing. A cost of Rs.126 crore has been incurred on this for which no regulatory approval was obtained till date. As per the management the line was constructed without the sub-station. Furthermore, the management has also taken up the issue regarding the construction of the 66KV Nadhukar sub-station wherein the award was placed by the then chairman without any forest clearance and without expenditure sanction....