Hello

The syllabus of JEE (Main) will consist mostly of topics from 11th and 12th standard syllabus and it is practically not possible to complete the whole syllabus in two weeks. The competition of JEE Main is really tough. However, you can prepare smartly to get a seat in any decent engineering college.
You should prepare the topics carrying more weightage in the exam and solve previous years question papers and mock tests.
Solving previous year question papers will help you to know about the difficulty level of the exam and type of questions asked in the exam.

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Good Luck!

you should prepare regularly otherwise its of no use to give the exam and waste time and money. jee is not a cup of tea which can be done in 2 weeks, people even take a gap year to clear jee and go into best colleges. go for ncerts, last year papers, important and basic topics, and crsh courses.