UDAN is assessing 486 existing airports for potential development.
Phase of UDAN helped to raise the number of operational civil aviation airports to 131, a 34% increase over 20 months.
In addition, the
Airport Authority of India
(AAI) granted in-principal approval to 19 new airports in December 2017.
In September 2018.The Civil Aviation Minister said that as many as 100 new airports would be built in the next 10 to 15 years to meet the growing domestic demand.