Salt-to-software conglomerate Tatas have won the bid to acquire debt-laden state-run Air India offering Rs 18,000 crore for acquiring 100 per cent shareholding, a senior government official said on Friday.

An SPV of Tata Sons - the holding company of conglomerate - has emerged as successful bidder, Tuhin Kanta Pandey, secretary to the Department of Investment and Public Asset Management (DIPAM) -- the government department responsible for privatisation - said.