You can now verify your mobile no also to get update and protect you account by going PayUMoney wallet page here .
Note : All the step above are just formality main step is to create a account on PayUMoney if you have not it already.
Now go to You shopping site and buy your product .
Fill shipping details and go to payment page.
Select PayUMoney option from all available option on the payment page this option may be after 3rd to 4th default payment option like, debit/credit card / net banking, emi or Cash On Delivery.
If you still not found PayUMoney option then select Cash Card / Wallet Option after that you will get a drop down list of available wallet like paytm, mobikwik and oxygen wallet select PayUMoney among them.
Click process to pay or submit.
You will be asked for username and password on pay you money fill these detail.
Now you will see payment option on PayUMoney also similar to last but now you have to pay either from payUMoney wallet or by using Internet banking, debit card, credit card etc. There will not be any further wallet option on PayUMoney.