Yes,of course you can. It is only the hardwork of the student that determines to get a good rank in the exam. Here Only matters with quality of your study which you do.

I would suggest you to learn all the basic formulas in Physics and Maths and solve previous year’s question paper.Questions are repeated in Wbjee. For maths,you have to increase your speed by practicing mock papers. Questions in wbjee are not so tricky and most of them would require a little thinking and the necessary formulas. For chemistry, You need to build your basic concept.

Good Luck!

Yes, it is enough to crack WBJEE in 7 months but you should be determined and motivated to crack your exam. You should plan your study in right direction. You should be aware of the syllabus, exam pattern and important topics. You can refer previous year papers to understand the exam pattern and level of questions. You can solve as many as mock test series for your preparation and to analyze your preparation level and to know your strength and weakness.

In order to get good marks make sure your revise all the topics properly.

You can also follow below tips for your preparation

Mathematics - Practice a lot of questions. learn to solve probability problems using the tree method. Learn to solve problems and visualize them using graphs. You can recommend all miscellaneous problems from the S.N. De books of classes XI and XII.

Physics - Devote a lot of time to topics like Modern Physics, Mechanics, Waves and Fluid Dynamics as these problems are comparatively easier and often feature in the WBJEE examination.

Chemistry - Solve questions from the NCERT books. Refer to the books recommended by the West Bengal Board of Secondary Education. You must thoroughly prepare sections like Name Reactions, Reaction Mechanisms of Organic Chemistry and conditions under which these reactions occur.

All the Best!!