what is the best course according to job in delhi ,m.sc micro or biot ,i m graduate in biotechnology.and also tell me about the colleges .

Both are good but since you are biotechnology graduate, you must pursue the same line of studies for maximum gain in career. Accordingly, pursue M.Sc.- Biotech. Amity, Noida has a very good department of Bio-tech and you must pursue from there to get campus placement for Delhi jobs.