The Graduate Aptitude Test in Engineering (GATE) is an exam administered by the GATE Committee on behalf of the MHRD. It is used for admissions to postgraduate programs in IITs, IISc, and other institutes. Scores are also used for recruitment by PSUs. The exam tests comprehension in undergraduate engineering subjects. Scores are valid for 3 years. The GATE paper contains both multiple choice and numerical answer questions over 3 hours. It is used for MTech admissions, scholarships, and recruitment by engineering companies and research organizations.