For the availability of and prices of spare parts, we would suggest you walk into the nearest service centres as they will be better people to assist you. You can click on the following link to see the details of the nearest service centres and selecting your city accordingly - Service centre.
As of now, there's no official update from the brand's end. Stay tuned for further updates. Moreover, Mahindra trademarked the XUV900, XUV400 and XUV100, along with the XUV700 in April 2021. The XUV400 could be positioned below the new-generation XUV500.Read more -Mahindra Trademarks Multiple SUVs For The XUV Series,