Go for Microbiology. Microbiology is huge in demand because of the involvement of microbiology in various fields such as Pharmacy, Medicine clinical research, Agriculture, Dairy industry, Water industry, nanotechnology & chemical technology. At present, the scientific, analytical and problem-solving skills developed by microbiology graduates are high in demand by employers. You can do M.Sc. Microbiology from: 
Delhi University
Lovely Professional University
Bharath University, Chennai
Devi Ahilya Vishwavidyalaya
Jiwaji University, Faculty of Sciences & Faculty of Life Sciences
Christian Medical College, Vellore.