bajaj personal loan 30%

First, issue a registered legal notice and get a certified copy of the statement and copy of such agreement or documents executed by you.  After receiving get the same verified by a competent chartered accountant and obtain a certificate from him about the actual interest charged as per statement and actual amount due after applying agreed interest.  Equipped with evidence file a consumer complaint for recovery of excess interest paid with such compensation for harassment.

You can, as well, take up the issue with the Reserve Bank of India.

Did you agree to pay 30% interest when you availed loan ?

It is never about how much % of Interest you have to pay. By any means you havee to pay more than principal amount.

So, try to open e-Nidhi or Nidhi Company that saves mny tax implications and makes money gorw for you.

You can check the complete Information on Nidhi Company registration page.

Most of the NBFCs (registered with RBI) charge interest @ 3% per month from defaulters, check terms and conditions of the agreement executed by you with your financer.