If you are looking for a proper 7 seats comfortable seating car and more features then you should go for Maruti Ertiga. Or if you are looking for a proper SUV model and can compromise with 5 2 seating capacity, then you can go for TUV 300. You may check the following link for more details: click here
For this, we'd suggest you please visit the nearest authorized service centre of Mahindra as they would be able to assist you. Follow the link and select your city accordingly for service centers.
As per the current guidelines, the petrol cars are valid for a tenure of 15 years while the diesel cars can be continued for 10 years in the Delhi-NCR region.