Kotak Mahindra Bank — Signed and stamped debit card form misplaced

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I had applied for a debit card by submitting a form (signed and stamped) to some lady at Khar West Branch in September-October 2021, as suggested by our RM Priyam mam. That lady did not give any acknowledgement, etc against the form. I had been waiting for the debit card, but later on not receiving it for almost a month, I asked Priyam mam about it. On receiving no proper response, I visited the branch and was told that they are not able to find my form and had misplaced my form (signed and stamped).
I was requested to submit a new form after a month, when i followup. Also i was being convinced by mr. Jai prakash that it was my mistake and i should have followed up on not receiving it in few days, its a small mistake, wont be misused, etc. I was also told that "jinki galti thi woh toh chhod k chale gaye (liable persons have left the company), now what can we do?"
Is it my mistake that they have left the company and i have to tolerate such mistakes from such a reputed company?
Some other person mr. Upadhyay, at the place of that lady, is not at all apologetic and too egoistic to accept the banks or employee's mistake.
On asking to complain against this issue to bank branch manager, i was told there is no branch manager. Dont know how this bank is running with such a lethargic attitude. This is not the 1st incident of such a pathetic expreience by bank employees. Earlier i did not complain thinking that it was a mistake and wont happen again but such things are happening frequently.
I want action to be taken against concerned person.

Bhavin Jagani
Steelify Industries LLP
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