Punjab National Bank [PNB] — amount deducted from account not credited back

Address:

Jaipur, Rajasthan, 302003

I was booking a ticket on make my trip from bangalore to jaipur on 17.07.2018 (Booking id nf[protected]) and the amount i. E. 7851.00 was debited 4 times from my account. I got my account credited 3 times (2 times on the same day and 1 time on 22.07.18) but 1 refund is still pending. I raised a complaint on make my trip regarding this issue but i didn't get the perfect solution. They are asking to contact the bank and the bank is asking to contact make my trip. It has been more than 3 months and i'm not getting any solution. The bank is not reversing the money back. I called the pnb customer care and registered a complaint (Complaint no. Srm[protected] but the complaint was closed by the bank

I have given application 2 times in the bank (Punjab national bank, johari bazar, jaipur 302003) but the bank officials are not responding to it.

Please provide me a solution.
Expecting to get a proper response asap.