HDFC Bank — Intentionally collect the money

This is my account [protected], in the month of 2nd june your bank intentionally debited the money in my account Rs 2944.1, when i contact ur hdfc bank they said i didn't use the terminal, but the terminal not working software issue, how can i use it? when i ask the merchant account person, they just refund Rs 588.82 later again debited on 16 june. i was waiting to see what will happen, now i want to ask u directly why u collect the charges at a time, what is ur bank intention, if we don't have anything u will remind multiple times, why we never use the machine not body could call me, everyone even i use the machine or not u collect the rent of the machine, later u collect these charges. how is it correct? at what circumstances u collect the charges at a time, b4 ur executes said when install device they said it was free, now ur bank collect the charges without no reason and create some fake reason as low usage charges