The amount was sanctioned under the Jawaharlal Nehru National Solar Mission which aimed at development through deployment of solar energy technologies in the country.
The buildings included Meghalaya Assembly, state secretariat and offices of seven district deputy commissioners, he said.
Around 137 out of 158 remote villages had been electrified by SPV home lighting system with integration of SPV street lighting system and SPV power packs, Sangma informed assembly.
According to the him 106 un-electrified villages in 11 districts were proposed to be taken up within this financial year under this program.
He further added that state electricity regulatory commission had approved purchase of 2222 million units of power for 2013-14 from state-owned Meghalaya Power Generation Corporation Ltd and outside sources.