• Revise all important topics first
• Make notes in the form of key points and formulas
• the paper level will be easier than jee main, so dont worry much
• Solve all last year question papers
• Refer Ncert books and have good grasp on concepts

Dear Zamanmumbrawala,

To score good marks in MHT CET refer your text book as syllabus is based on them. Try to solve every question which is given on your text book for your practice. 
Try to work on your concepts. Once your concepts are clear you will able to answer all the objective type questions. You can also solve as many as MCQs for your practice. 
You can also solve complete mock test series to analyze your performance level and to know your strength and weakness.

According, to the latest change MHT CET level is raised to JEE Main. so, you should prepare accordingly. 

All the Best!!