Indigo Airlines — Flight missed due to preponedment of chedule

Address:	Mumbai City, Maharashtra
Website:	indigo airlines

Sir I had a ticket from Mumbai to Indore booked in Indigo Airlines my PNR No.- K47BJL,
I checked in 1 hour before and I boarded prior to 20 minutes also got the boarding pass but the staff told that the gate is closed now and didnt allow me to entered and my ticket got cancelled due to which i faced lot to trouble. This is an injustice causedto me. Kindly provide me the compensation and needful assistance from the Airlines.