I am interested in computers but my friends are saying there are no jobs after btech like software engineer. Now they get down like that they are hyptising me. Now how can i decide to go further..

They are wrong. Computers is a vast field. There are various kinds of engineers - mobile apps, gaming, networking, software to name a few. If jobs were not there, then how is it that cs is still very popular? These year placements in most colleges have been good. So can your friends guarantee as job with a degree? First of all, you should stop taking everyone's opinion. They will not be living your life or studying on your behalf. Take advice but decide for yourself. If you are good at what you do, no one can stop you from succeeding. Decide that you want to succeed. Once you take up cs or IT, learn extra stuff like other languages that are not covered in the syllabus. Take part in cs contests, clubs. Go that extra mile while doing your graduation and equip yourself with knowledge. Most students forget this and end up doing just the syllabus. So check job profiles to know what is more in demand. Follow your passion. All the best!