For this, For the availability of spare parts, we would suggest you walk into the nearest service centres. You can click on the following link to see the details of the nearest service centres and selecting your city accordingly - Service centre.
The difference between Tata Nexon KRAZ and Tata Nexon KRAZ Plus is that, The KRAZ Plus has additional features as compared with the Tata Nexon KRAZ variant. The additional features in Tata Nexon KRAZ Plus are automatic climate control, rear AC vents, glove box cooling. For the detailed comparison of both cars, you may click on the given link below Comparision. Please take the test drive of both cars you may click on the given link below to book a test drive and for the nearest dealership in your city as well. Dealership.