MHT-CET for engineering consists of three subjects which are :- Physics ,Chemistry and Mathematics. 

Read textbooks of Respective Board you are in. Also read NCERT textbooks of 11th and 12th standard of Physics, Mathematics and Chemistry.

After you finish a chapter solve Multiple Choice Questions of that particular chapter which helps to build concept stronger. 

In organic chemistry there are many reactions  to remember so write reactions everyday.

Make notes of every subject. Also make separate notes of formulas which you can revise whenever you need to. 

The cutoffs of MHT-CET vary from college to college so score as high as possible so that you can get branch of your choice. 

For College of Engineering Pune the last year cutoff for computer engineering for general category was 180. 

So practice and read everyday to be thorough with concepts.

Solve previous year question papers and give mock tests so that you come to know where are you making silly mistakes. 

If you still have any queries feel free to ask in the comment section down below.