There are ample of car options available under the budget of Rs. 6 lakh. some of the most famous options being Maruti Swift, Hyundai Elite i20, Maruti Baleno, Renault KWID, Maruti Wagon R, Hyundai Grand i10, Tata Tiago, Honda Amaze, Maruti Alto 800, Hyundai Santro, Volkswagen Polo, Maruti Ignis, Ford Figo, and Tata Tigor, etc. Moreover, you may check out the given link and add filters to the given link so that you may search the car according to your requirements.
For the availability and prices of spare parts, we would suggest you walk into the nearest service centre, as they will be the better person to assist you. For the details of the nearest dealership, you can click on the link given by selecting your city accordingly - Service centre.