Hey there

For studying engineering you have various options there are several exams conducted by various universities. In BTech program you must be sure whether you want to do it or not because many students leave it at the middle. Also you will have to decide which branch you want to join. In India the major exam is JEE mains which almost every aspirant fill and do their best to get into nits or quality for JEE advanced to get iits. But there are other colleges private which are very good and exams such as comedk, wbjee, etc are conducted every year.

Good luck