India, Sept. 22 -- Guwahati: Prime Minister Narendra Modi will visit Arunachal Pradesh and Tripura on Monday, September 22, 2025, to inaugurate and lay the foundation stones for multiple development projects worth over Rs 5,100 crore.

The Prime Minister's Office (PMO) described these projects as key efforts to boost infrastructure, preserve cultural heritage, and drive economic growth across India's Northeast.

In Arunachal Pradesh, the Prime Minister will lay the foundation stones for two flagship hydropower projects: the Heo Hydro Electric Project (240 MW) and the Tato-I Hydro Electric Project (186 MW).

Valued at over Rs 3,700 crore, these projects will be developed in the Siyom sub-basin, tapping into the state's vast hydroelectric po...