Hero Electric — Battery issue in warranty

My name is alvind ghosh my mobile number is [protected], i had purchase photon on date[protected], i had facing issue in battery, my battery is not working properly, so i contacted to my dealer, he checked the battery and confirmed that lowah issue, and dealer made warrenty claim on date[protected], claim number B1071, Its almost seven month gone, i still not received my battery, i had so many times contacted with the dealer (venkatesh hero bilaspur) they said every time that company had not srnd your battery, they provided me the claim no. And said contated with customer care, i contacted customer care several time but no result, now i am very much furstrated, so i am rewuesting kindly resole my issue as soon as, otherwise i had to made serious legal actions and social media.
Thank you