1. Visit https://www.hotstar.com/in/subscribe/promo and log in using your mobile number. Enter the OTP and click on 'CONTINUE' to validate.
2. Enter the Voucher code in the 'Enter a Promo Code' section and click on 'APPLY'.
3. You'll be taken to the confirmation page after the code is applied successfully. Click on 'START WATCHING' or log in through app/website to enjoy your Disney+ Hotstar subscription.