No expiration date..

After payment you will received automatically the code:Xbox Game Pass Core 12 Months - India🇮🇳🇮🇳🔑

🔴 This product is intended for activation only with the India region.
🔴 When activating, you must have an Indian IP address. We do not provide any recommendations or instructions on how to use IP change services.
🔴 If you use one of these, you must understand all the risks. These actions violate Microsoft policy, many IP addresses of such services are already blacklisted.
🔴 This key is not intended for activation in accounts that already have a valid subscription issued in another region.
🔴 You will not be able to convert a Core subscription with this code if it was redeemed in an account in which the India region was not set.
🔴 If your account is registered and used in another region, this may be a violation of the Microsoft user agreement and the code may not work

Activation - https://redeem.microsoft.com or https://www.xbox.com/en-US/redeem