According to the Indian Motor Vehicle (IMV) Act , the transferor has to intimate the Regional Transport Offices (RTO) within 14 days of the transfer of ownership. Similarly the Act also instructs the transferee to inform the RTO about the change in vehicle ownership and produce all the required documents within 30 days of the transfer.
2) The transferor is required to fill Form 29 while the transferee is required to fill in the Form 30,
3) send a letter to RTO where your car was registered informing them that you have sold the car and handed over original papers of car to purchaser
4)if the car is involved in some major accident or stolen and used for some anti-social activities police will file complaint against you as your name is reflected in the RC book