Gautam Adani-led Adani Enterprises Ltd (AEL) has emerged as the highest bidder for all the six airports – Ahmedabad, Jaipur, Mangaluru, Thiruvananthapuram, Lucknow, and Guwahati. Barring Mangaluru, the margins between H1 and H2 bidders were very small. In the case of Mangaluru, AEL had quoted a fee of Rs 115 per domestic passenger whereas its nearest rival had quoted Rs 45.