Considering you are talking about B-TECH, then it's a degree with wife range of scope. But before entering into this degree, first thing required is that you should have a clear vision of what you want to be. For eg. if you want to do something related to computer and technology then you can go with Computer Science and if you want to work in IT sector then you can choose for IT. if your want to do something related to electronic like robotics, ardrino, sensors etc. then go with electronic. If you want to be construct something then you can go with civil engineering and like this their are a lot of courses which have their own benefit and all branches are specific to their task.

Talking about current scenario, Computer Science and IT sector are on peak and have the highest demand in the market but that doesn't mean other are having no importance. All of them are better in their own way and the final choice is yours how you see it and work in that field.