Bank Of India — amount not credited to my account

Address:

New Delhi, Delhi, 110009

Amount of around rs. 20500 has been transferred from pnb bank to bank of india (Account number - [protected]) on 5/1/2019 with utr number punbh[protected] but till now the amount has not been credited to my bank account, i already confirmed from my bank but they are denying the fact that amount is not been credited, and they told me to confirm this thing from pnb only. Pnb also denying the fact that amount has been transferred from our end, you need to confirm from boi only.
What should i do in this case, i'am suffering because of this thing??