Bharat Sanchar Nigam [BSNL] — Incorrect Billing

Team to hide their mistake forcefully refunded my Security amount. Kindly provide an answer to following

1)Why Charges of Mar20-Mar21 has been charged and deducted from my security amount
2)I submitted the request before the cycle of my bill and BSNL delayed the process and bill generated and I am paying the penalty
3)Why BSNL employee become rude to my old mother when she visited the office, any action against those employees?

Telephone Number:[protected]

Best Regards,
Nikhil Agrawal
[protected]