Chemical Engineering

Not possible in any NIT or IIEST. You should rather try in some private colleges or state run colleges and give state entrance exams. Or else, you can drop a year to score better. Best of luck.

Kindly visit this link:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

For cutoff you can check last year cutoff here:
https://www.shiksha.com/b-tech/comedk-uget-exam-cutoff

No you won't get seat in AU for chemical branch as your rank is not sufficient and the seats were mostly choose by the top rankers you may not have chances of getting them. All the best.

Yes you can get chemical engineering.

ICT is the best college in all the colleges you have mentioned above as this college is best in terms of placements and also this college has the best faculty in comparison of all these colleges.

Chemical engineers are involved in many aspects of plant design and operation, including safety and hazard assessments, process design and analysis, modeling, control engineering, chemical reaction engineering, nuclear engineering, biological engineering, construction specification, and operating in