Mahindra First Choice [MFCWL] — Its been 7 months and RC not delivered

Address:

Aadarsh Complex, near chitrangada cinema, Bagaha, Bihar 845101

I had purchased a second hand swift car from Mahindra fist choice (Sonakshi automobile bagaha) in November 2021 but still not received My RC even i have paid transferred ammount that time. When i called the executive he didn't pickup my calls can you please me on this