He launched Pandit Deen Dayal Upadhayay Rashtriya Gramin Joyti Yojna aimed at power sector reforms in the rural areas.
He also inaugurated Daniyawan-Biharsharief new rail line and construction work of phase-1 of Jagdishpur-Haldia Natural Gas Pipeline here.
Besides, Modi laid the foundation stone for an incubation centre for medical electronics at IIT-Patna.
Modi arrived here earlier and was received by Governor K.N. Tripathi and Chief Minister Nitish Kumar at the airport.