It will be available in the Freecharge Cashback Reward section under account screen
Related Question
What are the Terms and Conditions of the Scratch Card offer?
When will I receive the cashback after receiving the Scratch card?
Will I receive scratch card for all types of transactions ?
Will I be able to apply any promo code and avail a scratch card simultaneously ?
What is the Validity of the cashback ?
What is the Validity of the Scratch card?
Can I use Promo code and avail cashback?
Where can I see the list of all the scratch card reward in the account?
It will be available in the Freecharge Cashback Reward section under account screen