To get admission in IIT Necessary to participate in GATE exam

Is it Necessary to participate in GATE exam for taking admission in IIT college in India, please provide here???

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The Graduate Aptitude Test in Engineering (GATE) is an all-India examination conducting to take admission in various undergraduate subjects in engineering and science.
GATE is conducted jointly by the Indian Institute of Science and seven Indian Institutes of Technology (IIT Bombay, IIT Delhi, IIT Guwahati, IIT Kanpur, IIT Kharagpur, IIT Madras and IIT Roorkee) on behalf of the National Coordination Board GATE, Department of Higher Education, Ministry of Human Resources Development (MHRD), Government of India.

If you want to take admission in top IITs in India then its necessary to participate in GATE exam.

Here are details related to GATE Exam:

Eligibility:
The applicant should have Bachelor’s degree holders in Engineering/ Technology/ Architecture (4 years after 10+2/ Post-B.Sc./ Post-Diploma) and those who are in the final year of such programs.

The applicant should have Master’s degree holders in any branch of Science/ Mathematics/ Statistics/ Computer Applications or equivalent and those who are in the final year of such programs.

GATE is conducted in the following 22 disciplines.
A candidate can select any one of these

Aerospace Engineering
Agricultural Engineering
Architecture and Planning
Biotechnology
Civil Engineering
Chemical Engineering
Computer Science and Information Technology
Chemistry
Electronics and Communication Engineering
Electrical Engineering
Ecology and Evolution
Geology and Geophysics
Instrumentation Engineering
Mathematics
Mechanical Engineering
Mining Engineering
Metallurgical Engineering
Physics
Production and Industrial Engineering
Textile Engineering and Fiber Science
Engineering Sciences
Life Sciences