i am scored 50% in 12th with science side and i am confused that which courses is good for my future b.tech or bca

Between the two options given by you, I wold suggest B.Tech as it opens up more avenues in the career as compared to BCA. After B.tech you also have more options in higher studies. If you can do B.Tech in CS then it would give you the knowledge of BCA also to a considerable extent.

hai, neeraj i would suggest you to go for coaching of iit or aieee because doing the b-tech or bca from up-tech private colleges are not beneficial at that time ,only just wastage of money because teacher will not guide you in proper manner still if you are interested in these degrees so b-tech i