Focus on solving the problems on your own, do not look for the solutions without attempting a question. Don't spend more time studying new things rather than revising the previous ones. The end result is that they mess up all the things the paper. So devote more time for revision. You will have to study at least 12 hours a day. Give mock tests and try to solve previous years papers.
http://engineering.careers360.com/articles/jee-main-preparation-time-table-for-1-month

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