its not possible all the badics are in 11th

Hello Dhiraj,
Yes one year is sufficient for Jee.
With dedicated study hours for study you can change the scenario.
4- 5 hours of dedicated self study is require by a candidate to clear Jee.

For making concept start from NCERT books than go to other books .You can take help of YouTube video to understand the concept as building the concept is most important thing.
After this doing the question from previous years question bank is most helpful as it helps you what type of questions comes in examination.

Study well with hope of believe in yourself is best motivating key for you to clear the Jee exam with good marks.

Building all this steps require time,this all steps not build in one day.
SO KEEP CONSISTENT DURING THIS ONE YEAR.

If you have any questions remain than comment below.
Good luck...

Yes may be. Try hard.  1year is sufficient for preparation

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