You can claim total loss of the vehicle by insurance company. When the insurance claim is preferred then the Insurance Company has appointed a Surveyor. Surveyor inspected the car and Surveyor found that car was totally burnt and on his record basis you can get claim in total loss basis
The same time if you think the accident happen due to manufacturing complaint then you can approach the consumer court for getting damages,mental agony and total lost. But you have also include the insurance company in the defendant array if they are not paid your claims with in time.