IIT

Devoting one full year for JEE examination preparation has its own merits and demerits. Dropping a year means that you will get sufficient amount of time to prepare for competitive exams. You can work on your weakness and further sharpen your strengths. It will allow you take mock up test and help to score good ranking in competitive exams. However, one year is a long time so the possibility of you may change your goals and objectives. You may become lethargic because of availability of time and lesser pressure. You may waste time. If you are confident of keeping the momentum, dedication, determination, readiness to work on a plan, will to achieve your objective and support of family; you may consider dropping a year for competitive exams. It is worth try option. If you are not confident of cracking JEE after one year of preparation then you choose any other college to do engineering. If you are unable to do B.Tech from IIT, you can do M.Tech from IIT after scoring well in GATE or do MBA after cracking CAT examination to gain competitive advantage in career.

IIT means Indian Institute of Technology and NIT means National institute of technology.
Students can get admission in by JEE Mains and JEE Advance exams.
To get admission in IIT or NIT, students first have to quantify JEE Mains according to cut off marks.
Then students are able to appear JEE Advance exam. If student clear these two exams with aggregate marks, he or she will be able to take admission in IIT or NIT.
Students can give these exams when they are currently in 12th science or after the completion of 12th science.
IITs and NITs are both controlled by central government.
IITs and NITs have good educational quality and infrastructure to develop good and world class engineers.
IIT and NIT have good placement facilities for engineering students.