Kotak Mahindra Bank — charges of lien crn no[protected]

My crn no is[protected] in my account amount of rs. 4174 was deducted on lien charge. This was a big amount for me. No any information provide for these charges. My saving account has no minimum balance require and this is a big amount was deducted in the same time on my account. It is very bad my monthly expenses was depended on that amount. So please refund that amount on my account as soon as possible.