Indigo Airlines — Lost jacket

I lost my jacket on a flight and want the jacket back .I landed on Delhi airport and forgot the jacket on the flight I immediately went to the indigo desk and asked for the same...they helped me with a contact number on which i was told to contact the next day I did the same...first the staff said that the flight no which i mentioned they haven't found any jacket there then they send me a pic of the jacket i confirm saying it's mine...then the concern department calls me and informs that it was found on another seat...i mean is it necessary that one should keep the luggage exactly above their seat and despite this wrong information they have I had actually kept it in the overhead cabin just above my seat ...I am put up in another city...they very blatantly tell me that we won't be able to make it reach till the city airport I live in...and have to come to delhi airport to pick up the jacket...this is the sign of cooperation they show ..i mean a customer is requesting for a jacket and they don't have any such service where they can help a customer in such situations...