sir please give me

1. Read the question carefully before attempting it and double check all the numerical values. 

2. Double check your calculations

3. Keep a track of time and don't get stuck on 1 problem for the long time. Make sure you attempt and complete the questions first which you are comfortable with. 

4. Always make sure that you manage your time such that you are left with 30 min at the end of exam such that you can revise them.