HDFC Bank — Mir revenue charges and debit return charges and gefu charges

Address: Pune

Since lockdown hdfc bank negating and keeping and drducting 2000 rs every month either as debit return charges and mir revenue hold through gefu. I do not understand why i am being charged so much of amount for even after paying my emi on time since august 2020. Please help me here as first of all there is still deduction going on my salary due to covid and plus this much deduction by banks i cant efford.
Please help me here.