Hungama.com — Coupon code

Actly i won 12 months hungama play subscription code from Flipkart . The coupon when tried to redeem was unable to redeem in the hungama play app as it was mentioned that the coupon is invalid..I redeemed it through flipkart supercoin and got 12 months subscription to hungama
But after entering the code it was not successfull..kindly help me regarding this