I have done my B.Sc in biotech. Which course would be better for me now among M.Sc clinical research and M.Sc/Diploma in microbiology?

For a good placement, you can go either with M.Sc in clinical research or M.Sc in Microbiology, as both of them are promising fields. As microbiology is having placements in industrial fields, whereas clinical research has placements in clinical labs. So, you can choose any one but don't go for Dipl