Blackberry Garments — complaint against leather jacket

Leather is coming off from a jacket which is only two winters used and it was purchased from modman love lane hazratganj in the name of sanjay verma on 27th december 2015 invoice no 4767. This jacket is highly maintained and kept in hanging position when not in use this product was away from contact of water and any liquid still it's leather is coming out kindly resolve my problem