Bank Of India — I do not have received my cashback yet

A refund of rupees 19999 has been processed on[protected] to my debit card ending 7193 (Rupay). The amount should be reflected in my account by[protected]. But i do not recieve any amount till now[protected]. The refund reference number for the transaction is 193679.
Kindly provide me my refund back to my debit card.

Yours obediently
Deepak meena