Built in 1930, Warangal Airport also called Mamnoor Airport (IATA: WGC, ICAO: VOWA) was the largest pre-independence era airport. It remained in service until 1981.
It was commissioned by the last Nizam, Mir Osman Ali Khan, along with one at Solapur, to benefit the businesses, at Kagaznagar for the paper industry's convenience, and to help industries like the Azam Zahi mills at Warangal.
Numerous PMs and Presidents have landed at the airport until 1981. During the Indo-China war, it served as a hangar for government aircraft due to Delhi airport being a target in combat.
Source - Wikipedia