Magicpin — bookmyshow voucher is not working

Address:

3rd Main Road gunjur palaya, 560087

Today i was booking a coupon for book my show app which was available for 50% but when i went to the payment option it was showing for 250 to be paid but when made the payment through google pay it was deducted from my account successfully but in when i was applied my coupon in bookmyshow app is not working its showed experied or invalid coupon. Please i want 250 in form of bank account so please transfer my amount. As soon as possible...