Hi Yasmin....

These are a few steps to prepare for WBJEE:

• Conceptual Clarity- Clear all the basic concepts of all the chapters.
• Take mock tests and solve previous year questions.
• Improve your concentration and Application skills.
• Study with patience and attention
• Revise regularly and have formula on your tips
• Keep calm and stay fit
• Regularly analyze your performance
• Make daily/weekly targets for yourself.
• Have proper sleep and diet.
• Prepare smartly as all subjects are important.
• Believe in yourself

Kindly go through the below link for further clarification:

https://engineering.careers360.com/articles/how-prepare-for-wbjee-2019

Hope this helps......Thank u