Message source - What's app
Verification - Not verified if true or false. Please feel free to comment. Probably may be false as ads on page and no Paytm domain observed. Looks like data collection site. If any of you have received Paytm cash, please comment.
As per below link, there are such phishing messages on what's app, so may be even a fake site.
Message is as below :-
I Just Win 1000₹ Paytm Cash By Giving Answer Of 4 Easy Question
You Can Also Win Try This