PM Surya Ghar Muft Bijli Yojana: The scheme is being implemented by a National programme Implementation Agency (NPIA) at the National level and by the State Implementation Agencies (SIAs) at the state level. PM Surya Ghar Muft Bijli Yojana: The scheme is being implemented by a National programme Implementation Agency (NPIA) at the National level and by the State Implementation Agencies (SIAs) at the state level. Zee News :Business