The correct option is C Faridabad
The National Power Training Institute (NPTI) is a national apex body in India for training and human resources development in the power sector with industry specific technical interface. It is an autonomous body under Ministry of Power, Government of India and caters to the training needs of the power industry in India and abroad. Beside this, it is the only institution of its kind in India catering to the core power Sector and allied energy sector apart from University of petroleum and Energy Studies, Dehradun. The NPTI's headquarters is located at Faridabad, Haryana.