ICICI Bank — dp charges deducted - icici bank

My name is madhav hude.in oct 26th, 2017 my account has deducted rs.619.50. Due to in [protected] dp charges till sep -17. I'm not using demat account yet. Then how to deduct charges i don't know. Please refund my money as soon as possible. My account number is:[protected] and my mobile number is [protected]. This is like a fraud. I'm not agree to this. Without prior information, then how to deduct. I have written email and raised complain on icici bank sites, still i did not get any response from them.