HDB Financial Services — too much charges

Address:

500039

Dear sir, i am one of the borrower hdb uppal hyd branch. My loan account number is 2493303 year 2017. Rupees 200000/. Ins 7535/ montly. I was paid 91900 total instalments andsome due amount also. Yesterday i was again paid my three months instalments.. June july aug.. Rupees 22605/. Hewas again charged cheq bounce charges 8850/ and penalty rs 5497. Why this charges? In three months? Which rules your people following? Any rbi circuler? Or any rbi guidence? My request is plz see the matter. He was charged very heavy. I was already paid nearly one lakh rupees in a year. Buy when i was see my bal is again 170000/. What is this sir? Kindly take action. Thank you