Mumbai - Indigo engine caught fire at Mumbai airport when the passenger was on board. The left-hand engine caught fire, but no causality have been reported. Aircraft VT -ITS..air bus A 320 NEO. VT-ITF operating flight 6E-248 (BOM-DEL) of date had a rejected take off at Bombay. Captain has reported During Takeoff after opening takes off power, at about 70 kts loud noise from engine 1 followed by engine 1 Fail. Rejected Takeoff came back to the bay. Observed fire from engine exhaust also by cabin crew & pax. Initial inspection revealed damage to turbine blades of Engine-1. Aircraft is declared grounded at Bombay and is due for the engine change. Aircraft arrived at Bombay with no related snag.