Aviation Why religious tourism could be the next big bet for IndiGo Updated : July 31, 2019 10:42 AM IST IndiGo already operates flights to Thailand from Kolkata and has announced flights to Myanmar, Vietnam and China. The current network will make Kolkata a transit hub for passengers who conglomerate there before proceeding to Gaya, Varanasi, Gorakhpur and Kathmandu. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.