What is the best way to answer about the stream change in the interview?

Look whatever was the reason you should tell that frankly to the interviewer. You don't need to make lies for this, as stream changing is a normal job. They ask that just because they want to know what made you choose that stream and leave the other. Simply, you can tell them that this stream has mo

due to lack of interest....u can tell them it wasnt ur cup of tea. ppl shud do wat they like not wat they are bound to do forcefully. and ultimately if ull suffer any loss by choosing ur stream it will be ultimately ur decision....no one to be blamed.

stream choosing makes ur carrear. so a persn should choose dat stream in which he or she is specialized. he or she knw all about the stream for example he should knw the subject there in stream so dat he or she cn knw well whether he or she cn do or not