Mahindra And Mahindra — Provide incomplete service and charge more

Address:

Lucknow, Uttar Pradesh, 2260001

I send my vehicle up 32 cv 3200, suv for dent paint at your authorized service center, a. Auto movers pvt. Ltd., chinhat, faizabad road, lucknow. I received my vehicle after four days on 24 jun, 2016. When vehicle reached at home i found that, back left wheel mud guard, which was broken, not replaced. Front wheel border rubber strip is not pasted.
I had complaint on mahindra service manager and he assured me that, a technician will be go on your home and replace mud guard and pest wheel strip. After so many calls and reminders, no one came and not provide any services.
This service center is not sincere and charging more than 10 times charge in comparison to market. The not provide valid invoice. I am sending you invoice copy. Pl see, on invoice, there is not mention service center name and address. How can i take legal action on basis of this invoice? For removing a simple scratches on bumper, they charged rs. 18, 713. 31. No any part replaced. Only labor charges was 18, 713.31
Pl. Take action against this service center and informed me.

Mama gupta