You can’t even if your Uphold account gets approved. It’s because Brave isn’t allowing Uphold & Gemini to connect in India. You’ll be able to connect to Uphold / Gemini once regional support is restored.
https://support.brave.com/hc/en-us/articles/6539887971469-Supported-regions-for-verifying-Brave-Rewards-with-a-custodial-account-provider-