The Adani group has won the bid to operate five out of six airports put up for privatisation by the government, a senior official of the Airports Authority of India (AAI) said on Monday. The Adanis were the highest bidder for the Ahmedabad, Thiruvananthapuram, Lucknow, Mangaluru and Jaipur airports, the official said, adding that the bid for the Guwahati airport will be opened on Tuesday.