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4.
Hi, your question is incomplete.....for further what????
There is so much of rocket advancement in all kinds of technology, so if u are wanting to go for further education, it is better to be practical and real, and choose the one u are really interested in and which is satisfying both career-wise and personally too. Please don't go by heresay that something is the "in-thing" without doing background check-up coz the prospects offered by technologies like biotech are good but involve a lot of dedication and diligence and need absolute determination and planning. So please get a real picture of the present scenario, if possible from those who are pursuing the same.....