Bajaj Finserve - rate of interest

I am kuldeep singh from sirsa (haryana). I have a complaint regarding the rate of interest. The loan is registered on my father, sh. Manjeet singh, with this mob.no.********** and EMI card no. *****************. Person (Narender singh, **********) came in our house for our loan he didnt tell us about the interest will be charge **.**%. He came in hasty and fill the form and said ****** rs. Loan has been passed by bajaj finance and next day transfer the money in our account, then i check that in our account we recieved ****** rs.and ***** rs. Charged for the documentations. we didnt apply for the loan. He did fraud with my parents. That time i was not present at my house, i was in bangkok (thailand). My father and mother they are uneducated, they don't know about the interest, how much they are going to pay to the bajaj finance. For * months, they paid **** rs. Per month. Today */**/****, I check the further loan details, I saw that the loan passed ****** and interest on that ***** (something) with the **.**% of interest. I have to pay ****** rs, I was stunned & shocked when I saw the interest. Sir you can check that I took * loan before this active loan, how much interest we paid. We paid *% and *% interest on the other * closed loan.Sir, I have request in front of you that we can not able to pay this loan with the **.**% interest. Kindly reduce the interest on our loan.
Thank you
Link regarding information of loan details .https://report.bajajfinserv.in/SOA_Report.aspx?Lan=b/PRB***Lr*TuYarhLDsaA==&CustID=pCScGgH*z*XkLBUWIKHojg==