Hello Lakshmi,

Following are some of the MSC computer science Universities in Karnataka -

• International Institute of Information Technology Bangalore
• Dayananda Sagar College of Engineering, Bangalore
• The National Institute of Engineering, Mysore 
• Reva University, Bangalore
• BNM Institute of Technology, Bangalore
• Basaveshwar Engineering College, Bagalkot

For more details please visit the link given down below -

https://engineering.careers360.com/colleges/list-of-ms-master-of-science-in-computer-science-engineering-colleges-in-karnataka

Hope this helps.