Punjab National Bank [PNB] — Paytm refunded my money but pnb not credited to my account

Regarding ac no-[protected]
Name - Shivam Kumar

Dear team, I made a ecom transaction on 12th of November worth rs 25990 and 149 total of 26, 149
In which i i received the cashback of 2602 rs.
Later I canceled both order and I should be getting refund of 23, 391 and 149 or 156 by 2 days ago.
And the problem is i haven't received my refund yet.
When I contacted paytm for the same they said it's beyond our control and it's totally depends on the bank to transfer your money and they also provided me refund refrence number to contact pnb which is-
75105170323003445057996
And pnb is denying to provide help.
Now I Humbly request you to kindly look into this and credit my stuck money on my bank account and for that I'll be extremely thankful to you.