Ministry has already shot off letters to airlines, airport authorities, DGCA and Bureau of Civil Aviation Security to submit their opinion in writing
At present, 25 airports run green energy
In the next four years, the centre is planning to award 25 airports as part of the National Monetisation Plan (NMP)
Kaushik Bhattacharya, director of Kolkata airport, said there has been no let up in the hygiene protocols that they followed round the clock since air