Dear Neha,

In order to score good marks in BCECE in last dates of your exam you should focus on revision. 

Brush up your concepts. Go through your important notes if you have prepare them.

Solve complete mock test series to analyze your preparation level and to know your strength and weakness. So, that you can work upon them.

Refer previous year papers to understand the exam pattern and to know the level of the exam.

Good Luck!!