Hey,
The MHT CET 2018 engineering exam will be based on Class 11th and Class 12th syllabus of Maharashtra state board of secondary and higher secondary education. 
• Syllabus of MHT CET 2018 -:
•20% weightage of class 11th topics
•80% weightage of class 12th topics
To know the detail of topics and chapters from Physics, Chemistry, and Mathematics, go through this link thoroughly -:
https://engineering.careers360.com/articles/mht-cet-syllabus

Hope it helps!

You can check the MHT CET syllabus from the given below link

https://engineering.careers360.com/articles/mht-cet-syllabus

Good Luck!!