Can I prepare for jee in 4 months
Why Not. If your basics are clear only then you should go with full swing. First download previous years question paper analysis topic wise. Then focus on most important topics. Study that topics thoroughly. Then start attempting mock test . Keep revising. Manage your time efficiently.
Good Luck.
Just focus on important chapters with maximum weightage and revise all fundamental daily. Solve maximum mock exams and analyze mistakes and work on it. Refer to NCERt books onlyvas of now.
Tips shared below.
https://engineering.careers360.com/articles/jee-main-preparation-tips