Hey there,
I understand that you want to integrate Paytm with your Shopify store till tomorrow. Well, I am delighted to inform you that I can work on this project and make it a success for you, as I have years of experience with Shopify stores / sites.
I can integrate Paytm till tomorrow so there is nothing to worry about that. If you have any questions or concerns, we can schedule a call, so please let me know at earliest.
Sincerely,
Wasif