You can register online or by phone or by mail. The detailed information about registering for the GRE can be found at www.yocket.in
Extracurriculars are always an add-on to your profile. Any achievements at the state or national and international level are considered important. Working for social causes such as for an NGO or charity trusts on a regular basis
Congratulations! You've done it all. There's very little that remains now, airline tickets, room-mates, looking for accommodation or the initial few days at the university. Start a conversation!