I want to do b.tech and I am now in b.sc. 1st year in du.should I drop this to start preparing for b.tech entrance.

One year lost may affect employment opportunities, but since you are bound to do a B Tech and has lost only one year , you have two options. Once you clear the entrance examinations and got admission to a good institute , you may leave the current course and do a B Tech programme. Alternately you ma