Bajaj Finserv — more than emi amount deducted from my account

Address:

H.NO.9-3-58/A7. SECOND LANCER MD.LINES, Hyderabad, Telangana, 500008

I purchase a new phone from bajaj finserv loan no. 400mpddz631806 on six emi basis emi amount is rs. 2750/=per month for six months. Starting two months amount rs. 2750/= have been deducted but in april i received a message from bajaj finserv that your emi is rs. 3231/= instead of rs. 2750/= then i call to bajaj finserv executive and said about extra emi amount then he checked and told this is insurance amount then i told him already i purchased a insurance at the time of purchase and paid rs. 800/= cash then again he checked and told me this insurance will be cancel but after 10th of may your amount will be refund but after 10th of may again i called to bajaj finserv executive and said the same problem then she saidvthe same thing amount will be refund aftet 10th and she asked me for bank statement mentioning the emi, then i mailed them my bank statement mentioning the emi amount then after two days bajaj mail me that the time period of insurance been lapsed and amount can't be refund and more two excess amount will be deduct in next two months. They are the big cheaters already i lodged a complaint on 28th april 2019. Complaint no. Sr13696922. So kindly help me in this regard i shall be thankful to you. I am a unemployed 54 years old person.