No, Scratch Card can't be availed if transaction is done using any promo code.
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 ?
What is the Validity of the cashback ?
Where can I see the list of all the scratch card reward in the account?
What is the Validity of the Scratch card?
Can I use Promo code and avail cashback?
Will I be able to apply any promo code and avail a scratch card simultaneously ?
No, Scratch Card can't be availed if transaction is done using any promo code.