Mahindra And Mahindra — Refund my booking amount

Address:

83 MOGPARA GANDACHERRA, MOGPARA

I have booked mahindra treo SFT from Ali engineering workshop, Udaipur Tripura on 31/01/2022 the dealer promised the vehicle delivery date by 4th, 15th and 20th Feb, but he fail. I am fed up and frustrated and cant wait that longer, I called the dealer to cancel my booking and refund the money but he refuse to refund my money, what steps should i take now? Please guide me. Looking for positive response