The Delhi airport has a separate check-in desk for passengers transferring from international to domestic for passengers who transfer in the same terminal i.e. Terminal T33. However, you will need to collect the luggage, go through customs, and then go to the transfer desk. The transfer desks will assist with the check-in.
There isare also a separate domestic terminalterminals for low cost-cost airlines, T1Terminals 1 and 2. If you land at T3Terminal 3 and need to catch a low cost-cost airline, you will need to change terminal from T3 to T1terminals and go through the check-in as a regular passenger.
Airlines from T3Terminal 3: Air India, AirAsia India, Vistara, Jet Airways, and all international airlines. Airlines from T1Terminals 1 and 2: IndigoIndiGo, SpicejetSpiceJet, Go AirGoAir. Operations are split between these terminals, so be sure to check your ticket or contact your airline to see which terminal your flight is leaving out of.
Note: InternationalAll international flights of Indigoon all airlines, even those with domestic operations in Terminals 1 and 2, still take offleave from T3Terminal 3.