Rather than JEE Mains percentile or score, you should check the JEE Mains rank. For 2021, the required JEE Mains cutoff for CS at KJ Somiya was 1338 in round 1 and 2584 in round 2.  You will have a better chance of getting admission at KJ Somiya if you are Gujarati. The cutoff for the minority quota is comparably lower. 

Rather than JEE Mains percentile, KJ Somaiya takes admission based on JEE Mains rank. For 2021, the required cutoff for KJ Somaiya was as follows. Branch  Cutoff  Computer Science  1338 Information Technology 1824 Electronics and Telecommunication Engineering  4525 Artificial Intelligence and Data Science  2562 These were the cutoff for general category students. 

You can get any branch at KJ Somaiya with 140 in MH CET 2022, if you have Gujrati minority. But if you are a general category student, getting branches like CSE/IT will be difficult with 140 scores. These are among the most opted branches and KJ Somaiya Cutoff remains above 150-160 for CSE/IT (general category). 

It is not just KJ Somaiya, but every college you decide to go to, find out the following, especially for post-graduate studies: Qualifications of the professors in your college The crowd of the college and scope for securing internships on different topics If there is any research going on in the college and if so, how is the research cell? Many M. Tech students wish to do something new and collaborate with people having the same interests as well. Opinions of others about the college. When you interact with the students you will come to know what places are nice and where you can hang out A friend of mine completed her M. Tech from KJ Somaiya and her experience was average. The research cell is not great and some teachers are well versed in their subject whereas others struggle with basic knowledge. If you are concerned about placements, those are definitely improving over the years and this college will only be a good option for you if you are not looking for placements. 

The fees depend on the announcements made by K.J Somaiya every individual year. However, here is a detailed overview of the latest fees as declared by the institute, Criteria  For Indian Students For NRI and Other Students Tuition Fee 2,94,412 4,41,618 Development Fee 44,288 44,288 Examination Fee 3,300 3,300 Caution money Deposit (Refundable) 1,000 1,000 Library Deposit (Refundable) 2,000 2,000 Total (INR) INR. 3,45,000 INR. 4,92,206 Here is a thorough outlook of the fee structure of KJ Somaiya.