Hii,

Currently, As you are doing  Btech from Computer Science stream , you will have enough opportunities to get placed in IT Company. Many IT companies like TCS, Infosys, Wipro and many MNC's recruit CSE students in Bulk. Even though if you don't do Mtech, you will have good number of opportunities after your Btech. But if you are interested to do Mtech continue your Masters degree in Computer Science. Because in Computer Science Engineering,you will have many opportunities and high paid salary jobs.