In order to do revision of class 11th you can make your proper time table to give proper time to each chapter according to your strength and weakness. 

Focus on the topics which carries more weightage in the exam. 

You can refer your notes if you have prepare them. Go through previous year papers to understand the level of the questions asked in the exam and solve MCQs related to imporant topics.

It is important to solve all your queries. You can take help of your teachers and friends in case you are facing any doubt.

Good Luck!!