Only online registrations are possible. You can register on the register page starting Jan 26th.
Indian residents can pay through credit card/debit card/netbanking or using multiple wallets like PayU, PayTM, or Ola Money.
Applicants residing outside India can pay using credit card.
Registrations can be done individually, or bulk registrations as a group with some additional benefits for group members (minimum 20 participants required to be eligible for group registration).