Instrumentation & Control Engineering and Electrical and Electronics Engineering are different branches. Although, both of these branches have some similarities. To choose between both of these is your choice.

Here are some of the facts about NIT Trichy and SSN.

• Faculty: SSN has amazing teaching faculty. They have quality teachers, some better than in NIT Trichy. 
• Ranking: SSN is one of the premier institutes in Tamil Nadu and NIT Trichy is among the top-ranked NITs in the country.
• Extracurricular activities: SSN gives equal importance to academics and extra-curricular activities as well. They focus on overall development. In NIT Trichy, a lot of extracurricular activities are held. Fests are organized almost every week. They focus too much on extracurricular.
• Campus: SSN is lush green and has a scenic beauty. NIT Trichy has a rocky campus and does not have much greenery, although they do have a beautiful college avenue road.
• Placements: The placements of NIT Trichy are better than SSN, however, the Average CTC is almost the same. Here is the placement highlight of the year 2020.

NIT Trichy has a brand name higher than SSN. However, if you are planning to do higher education such as MS abroad, then regardless of the brand, you should choose SSN as it will help you to grow academically.