Once you've filled up the application form & uploaded your photo/ signature successfully, you're required to click on submit button to go to payment options
You will get unique application number which you're required to use in all future correspondence
From the payment options, click on Paytm
Now, pay your application fees on Paytm using your preferred payment mode i.e. Credit Card, Debit Card, Net Banking or Paytm Wallet at no convenience charge
If you've filled up the online application form but couldn't pay the registration fee, you can pay it on Paytm