Engineering

https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=6375912
Use this link to find out your answer.

You have very good marks and you have very fair chances of getting the colleg:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
You can use the above link for predicting the college. It will depend upon the college cutoff for particular branch every college has different cutoff for

For getting college, you can use the college predictor. Please find the link in below details:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
If you have qualified in your respective Category with high margins between the cut-off and the marks you scored then you will definitely

The average tuition fee charged for the course in India ranges between INR 5000 and 2 Lacs for a span of 4 years.

Placement
Companies / Recruiters who visited the campus
Amagi| American Megtrends| Capital IQ|Cocubes |Collabera| Genpact| Infosys| Infoview |Innoeye| Inventurus| Jasmin Infotech| Magna Infotech| Mind Tree| Mphasis| Pilog| Randstad |Samsung| SYNTEL| TCS |Trigent

No, for Jamia, you have to score 100+.

Sorry but you can't get admission in any gov. college or any NIT through JEE Mains.
Try in some good private colleges.
Good luck.

Check the official website of SMU and call them. They will explain you better.

Both are same branches. The difference is- in IT, you have to deal with codes and operating system and in CS with codes and operating system and hardware.

Sorry dear. With this rank, you can't get any college.