Amazon India — Not support for warranty item

I have purchase one no of Fastrack wrap sunglasses P204BK2 as on Ordered on 24 February 2015 Order#[protected] I have used the same sunglasses 3 or 4 time but now on one glass the UV protection film is removing automatically the item has one year warranty. I am requesting kindly look into the matter and do the needful and they are telling contact direct to fastrack.