Section 29(3)(c) in Central Electricity Regulatory Commission (Terms and Conditions of Tariff) Regulations, 2014
(c)In case of the hydro generating stations, which have not been in commercial operation for a period of three years as on 1.4.2014, operation and maintenance expenses shall be fixed at 2% of the original project cost (excluding cost of rehabilitation and resettlement works) for the first year of commercial operation.