RBL Bank Credit Card — rs 1500/ payment not credit in my credit card account

Address:

New Delhi, Delhi, 110018

I paid two payment of rupees 2000/ and
1500/ towards my credit card on 18/09/2018 evening. First payment of 2000/ is shown in my card account but second payment of 1500/ not credit in my card account but it deducting from my saving account. Please do the needful action urgently. I visited my united bank of india branch they say contact your credit card issuer bank