Airports Authority of India (AAI) has received a total of ₹2,032 crore in passenger fees from private partners operating six airports leased out in 2019. The airports were leased out to Adani group under the Public Private Partnership (PPP) model for 50 years to improve operations, management, and development. Additionally, AAI has received an upfront fee of ₹2,758 crore from the private partners for capital expenditure. The National Monetisation Pipeline has earmarked 25 AAI airports for leasing over the years 2022 to 2025. The country has 157 operational airports with a capacity to handle over 530 million passengers per annum.