The first Thing,
According to your question the future of computer science engg will be very good no doubt.
We humans are the species never settle and always want more and more advancement and convenience in our daily life. And hence computer science engg is going to play a very big role in future.
On todays date each n every industry requires computer science engineers for the advancement in some fields while some fields are totally depended on them. And this need is not going to fall as the technology will keep going advance and advance but you should always remember that you have to work hard and be in competition because attraction towards this filed is increasing day by day.
You will have so many sectors available in future (right now also) if you become a computer science engineer.The only thing you are supposed to learn the skills and being mastery in it. Then you don’t have to worry about anything.