HDFC Bank — HDFC Bank please refund my ach debit return charges HDFC home loan

My April month Home loan EMI was auto debited on 27th April which is my EMI autopay date, it was auto debited and as there was sufficient balance in account there is no any such case which leads to " ACH Debit return charges of 531₹.

Please assist me immediately and refund ach debit return charges of 531 ₹ immediately.

Or else o will file grievance against bank to cut charges wrongly and that also without customer knowledge.