My brother is a third-year Computer Engineering student at TSEC. So I might be able to help you with the question.

• You will fall in love with this college because of its environment. 
• There will be an “Industrial Visit,” which is essentially a tour of North India (Shimla, Manali, Amritsar, etc.). 
• You can volunteer for organizing festivals by MS, CSI, IETE, Council. This will help you in expanding your network. 
• Academically, the syllabus provided by the university is really not good. 

• The faculty is not good. 
• Students can improve their grades by practicing previous year’s question papers.

For the second term, it will entirely depend on whether you join a committee or not, as most people do. By the end of the year, you will be a completely different person.

In the third year, You will be looking into your options for MS and placements. You'll realize how important your subjects are in terms of placements. And how unorganized your university is, in terms of teaching, resources, guidance, education, and curriculum. However, when it comes to placements, TSEC is good.

If your CET score expectation is less then you may not get admission in CS, but can get IT instead. You have to submit an Affidavit of Rs.100 confirming you belong to the Sindhi community. It should be notarized.

Check the following details for basic admission details of the college: 

You have to wait till the 4th or 5th round to get admission in CS in Thadomal Shahani Engineering College. 

You can also apply for CS at Vivekanand college. Chances are high that you get CS there, as they have more seats in the CS department. 

I have a few friends at the institute. Here are their two cents based on their experience. Have a look.

• The course fee is quite high. A B.E degree costs around 2 lakhs.
• The faculty is average, but you shouldn't rely on them too much.
• Thadomal Shahani does not have a campus. The college is just a building.
• The institute offers very good extracurricular activities and festivals.
• The Thadomal Shahani canteen is not that good.
• It has a good location since it is situated near Bandra.
• It's one of the top 5 private engineering colleges in Mumbai.

Here are some recent statistics regarding the college.

Hope this gives you an idea about the institute.

There isn't much of a difference between IT and CS, forget institutes individually where you would pursue them. Both CS and IT happen to consist of more or less the same subjects and the course pattern is also similar. There are only a handful of subjects that do not match when it comes to the subject courses of CS and IT and trust me, that isn't as important as it seems. 

Eventually, it is all about your choice of college. It is assumed that you have done some prior research beforehand on the institutes. A former student of this institute who I know would also suggest not giving too much importance to the branches either. 

Also, special mention to KJ Somaiya as along with the benefits of autonomy, you would be able to grab better placement opportunities for yourself at reputed companies with a handsome salary package. The top recruiters of the students of KJ Somaiya are Cognizant, PwC, Amazon, etc. Till now, 90% of students have been placed and the CTC was as high as 29.75 LPA and the average CTC stood at 9.4 LPA. Banking, Financial Services, IT are the sectors which recruited the most students.