Importance". To mark 175 years of the establishment of the Indian Institute of Technology (IIT), Roorkee, the central government issued a Rs 175 coin. Campus The main campus in Roorkee has an area of . IIT Roorkee has a separate campus of in Saharanpur which offers courses in Polymer Science, Process Engineering, Paper Technology & Packaging Technology In addition to this, a new ten-acre campus has been established in Greater Noida, Knowledge Park II, which was inaugurated on 4 April 2011. The Noida extension centre has 16 lecture rooms, software laboratories, faculty offices, a library and a computer center. Most students live in the hostels, where extracurricular activities complement the academic routine. The campus has 16 hostels, of which two (Sarojini, Kasturba ) are occupied by girls. The campus has a new co-ed hostel, Vigyan Kunj. Hostels may accommodate undergraduate and graduate students along with doctoral students. Students are assigned to hostels by the school administration after their freshmen year. There are nine hostels for married students, doctoral students and foreign students. Each bhawan has a mess. Mess administration consists of a staff advisor, a chief advisor, and a student mess secretary. Organisation and administration Governance All IITs follow the same organization structure which has President of India as visitor at the top of the hierarchy. Directly under the president is the IIT Council. Under the IIT Council is the board of governors of each IIT. Under the board of governors is the director, who is the chief academic and executive officer of the IIT. Under the director, in the organizational structure, comes the deputy director. Under the director and the deputy director, come the deans, heads of departments, registrar. Departments and centres IIT Roorkee is one of the biggest technical institutions in the country having the largest number of academic units. It has 21 academic departments covering engineering, applied sciences, humanities & social sciences, and management programmes, 1 academic centre, 3 centres of excellence, 5 academic service centres and 3 supporting units. Departments Engineering and Applied Sciences Architecture and Planning Applied Science and Engineering Biotechnology Chemical Engineering Chemistry Civil Engineering Computer Science and Engineering Earthquake Engineering Earth Sciences Electrical Engineering Electronics and Communication Engineering Humanities and Social Sciences Hydrology Hydro and Renewable Energy Management Studies Mathematics Mechanical and Industrial Engineering Metallurgical and Materials Engineering Paper Technology Polymer and Process Engineering Physics Water Resources Development and Management Sciences Chemistry Mathematics