Cheating done by total clam and canceled insurance police document

I have purchased car Maruti ertiga in company name first owner from olx a Person claiming he was a part of that company and he is having all the original document of the car and wanted to sell because of parking problems. The car was comprehensive insurance .and 8 months old only.he wanted the Insured value of the car we have completed the transaction in which he have noted to bring the Noc to get it transferred in the mean time after the delevery there was oil leak so we went to the service station where we came to know that it is total loss vehicle and the insurance policy has zero value so we toled the seller to take Back and return the amount he replied now the noc is generated and you have to give me the balance amount to get the document.we have registered fir against him of 420 in this the mater we have the RTI Document of rto in which the cancelled insurance policy was used by it date so that the car can be resale. The insurance IFFCO Tokyo has claimed the total amount to the owner .and he canceled the police on stamp paper but they have kept active on the computer so that it can be resale without knowing to the buyer about the accident .i was repaired in local garage with dublicate parts and sold as just 8 months old with comprehensive insurance.first party..can I take any consumer court action against the company and how much should I clame for endangering some one life for money ..