Bajaj Finance — installment issue

Address:

Jalgaon, Maharashtra, 425201

Hi sir, this is abdul sham khan my id no-445psb14891803
I just want to know why my all payment seens bounced
I already paid my installment in advanced
But still mr. Sandip from pune branch is very strictly calling to me and very harrashing me every month
He every month told to pay in advanced i paid also but still my cheque is seen bounced every month thatwhy my cibil report seen very bad and i have penulty charges also so please seriously take action about my sms, mr. Sandip,
I does payment by neft to {bajaj finance ltd, hdfc bank, ac-[protected]
Bhandarkar road, pune-4} this account
Please take a action and solve my problem and plz help me