1) you will have to move court seeking permission to sell your car recovered by the cops
2) make an application under Section 451 Cr.P.C. for permission to sell the vehicle on the grounds that it was more than 10 years old, it required lot of maintenance/repair and its market value had depreciated.
3) SC in case of in Sunderbhai Ambalal Desai v. State of Gujarat, (2002) 10 SCC 283, Sunderbhai Ambalal Desai v. State of Gujarat, (2002) 10 SCC 290 and General Insurance Council v. State of A.P., (2010) 6 SCC 768 held that the photographs of the vehicle can be used as secondary evidence during trial and it is not necessary to produce the vehicle at the time of trial.