There are over 800 research postgraduates and 1,300 postgraduate students receiving instruction at the university. Accommodation is also available for international students, postgraduates, staff and undergraduates. In the university had students in higher education, including postgraduates and undergraduates. Rooms are available for undergraduates, postgraduates, students with disabilities and co habiting couples. Students include both undergraduates and postgraduates serving in the military. There are 20 residential halls and colleges for undergraduates, postgraduates and visitors. There are about 325 undergraduates and 150 postgraduates. These colleges provide most of the accommodation for undergraduates and postgraduates at the University. Accommodation is guaranteed for first year undergraduates and international postgraduates. Of the 17,620, 6,500 were undergraduates, 9,620 taught postgraduates and 1,500 research postgraduates. Dr. Hegde has 47 years of teaching experience to undergraduates and postgraduates. All first-year undergraduate students and overseas first-year postgraduates at UCL are guaranteed university accommodation. The former contains undergraduates and the latter postgraduates (known as "advanced students"). The number of foreign students, postgraduates, researches and lecturers is constantly growing. It is affiliated with the University of Calcutta for degree courses for graduates and postgraduates.