Maruti Suzuki — Need maruti help

Address:

Pondicherry, Puducherry, 605107

Dear sir I have maruti swift vdi on road my car suddenly engine off.PLA mechanis came and check the vehicle high pressure diesel pump gone tomorrow we will change the spare but now he said timing belt and cam shaft gone I dont know what Iam doing I put additional warranty also is there he asking 12800 rs