Consider the following airports:
1. Donyi Polo Airport
2 Kushinagar International Airport
3. Vijayawada International Airport
In the recent past, which of the above have been constructed as Greenfield projects?
(a) 1 and 2 only.
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1,2 and 3
A : 1 and 2 only