The Adani Group has won the bid to operate five out of six airports put up for privatisation by the government, an Airports Authority of India (AAI) official said on Monday. The Gautam Adani-led group emerged as the highest bidder for Ahmedabad, Thiruvananthapuram, Lucknow, Mangaluru and Jaipur airports. It will reportedly operate the airports for a period of 50 years.