BSNL CTOPUP Registration for Retail Business (Prepaid/Postpaid)

What is CTOPUP, How to register BSNL CTOPUP, What are the conditions involved, Where we get CTOPUP, Who are eligible to become a partner with BSNL and Any process available for CTOPUP registration in...

source https://bsnlteleservices.com/bsnl-ctopup-app-registration/