Mahindra And Mahindra — mahindra gusto service

Address:

Katihar, Bihar

I purchased mahindra gusto from authorised dealer in katihar bihar.
At that time there was a service centre there.
Now the dealer has stopped selling two wheelers and the service centre is closed.
The place where service centre was, is still a repairing shop, but they don't keep mahindra parts.
Last time they replaced my original parts with other compatible parts. Now the scooty is showing major problem.
Don't know where to go. The dealer doesn't own any responsibility.