Best IIT Preparation Institute: The IIT-JEE exam is conducted by the NTA. Candidates anticipating to become top engineers appear for this exam to secure a seat in prestigious engineering colleges. Students who have cleared the 12th class from a renowned board or are appearing for the 12th board are eligible to appear for this exam. The JEE exam is conducted on two levels, i.e, JEE mains and JEE Advanced. The JEE mains exam is conducted twice a year and the marks of the best one are considered, if the marks of the JEE mains are high enough the candidate is eligible to sit in the JEE advanced exam.