hep me prepare for exams.

You can join  www.Askiitians.com  as askiitians is India's first educational portal offering completely online-interactive-realtime resources and video solutions for preparation of IIT-JEE and other engineering entrance exams.

Here you will get online-interactive-realtime learning sessions, problem solving sessions, strategy sessions, counseling sessions from IITians.

There are many packages available in askiitians.com but i wud advise you to join course for one year .i.e. RIP1

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