Indian Railway Catering and Tourism Corporation (IRCTC) is a subsidiary of the Indian Railways that handles the catering, tourism and online ticketing operations of the latter, with around 5,50,000 to 6,00,000 bookings everyday. It is the world's busiest and highest of 15 to 16 Lakhs tickets every day.

Customer service: 0755 661 0661
Parent organization: Indian Railways
Headquarters: New Delhi
Founded: 27 September 1999