India, Jan. 30 -- India's civil aviation sector is on a sustained growth trajectory, helped by a conducive policy environment, rising demand and steady infrastructure expansion, the Economic Survey said on Thursday.As the country aims to be a global hub for aviation activities, the Survey said Indian airports can aspire to become global aviation hubs by promoting layovers and enhancing the transit experience for international passengers.

"While the sector remains sensitive to global economic cycles and the need for continuous capacity upgradation, the current passenger volumes represent only a fraction of India's potential," it said.India is the world's third-largest domestic aviation market and the number of airports increased to 164 la...