New Delhi, Dec. 12 -- After a two-year hiatus in India, the world's biggest technology investor is on the move again. Masayoshi Son-led SoftBank is now examining Indian startups pursuing artificial intelligence (AI), the technology world's sunrise sector.

SoftBank did go slow on investing in India for a while, conceded Sumer Juneja, managing partner and head of EMEA and India at SoftBank Investment Advisers, attributing it to the cyclical nature of investing. "There will be times when we deploy a lot; there will be times when we get the liquidity outcome," Juneja said in an interview, adding there cannot be an investment "bazooka".

The Japanese investor is sitting on gains of a billion dollars in India this year, as two of its portfolio...