There are a lot of things that you can do at Jammu University during weekends. 

• If you stay on the university campus, you can take membership and permission to access courts and games at the university stadium.
• Most students prefer to study at the central library of Jammu.
• You can visit the nearest tourist places like Mansar Surinsar Lakes, Mata Vaishno Devi Temple, Shiv Khori in Reasi district, Gharana wetland at RS Pura, etc. 
• If you love movies, there are multiplexes within a 4-5 km radius of the university. 

These are some of the things that students at Jammu University usually do during weekends.