Jain University is a renowned university in India. It is a private university located in Bangalore, Karnataka. The exact size of the university in terms of the number of students or campus area may have changed since then. However, as of that time, Jain University had a substantial student population and a sprawling campus. It offered a wide range of undergraduate, postgraduate, and doctoral programs across various disciplines, including engineering, management, commerce, sciences, humanities, and more. For the most accurate and up-to-date information regarding the size of Jain University, I recommend visiting their official website or contacting the university directly.