Policy Bazaar — Purchased renewal car policy

Address:

68 9th cross RM nagar

I have purchase motor insurance policy renewal from policy bazaar & found that agent has enter wrong vehicle details when i shared my old policy copy, i have raised a request for this rectification with both policy bazar & edelweiss insurance after 2weeks of time, now they have decline my request stating no modification or cancelation possible & suggesting to purchase new policy for my car again. So iam requesting your help to get me a solution for this issue refund or edit the correct details in my policy