Hii aspirant..

You can do any of these bachelors ,Masters or doctorate course for becoming microbiologist -

• Bachelor of Science in Microbiology
• Bachelor of Science in Applied Microbiology
• Bachelor of Science in Industrial Microbiology
• Bachelor of Science in Food Technology
• Bachelor of Science in Clinical Microbiology
• Master Courses:
• The master courses in this field are of two years:
• Master of Science in Microbiology
• Master of Science in Applied Microbiology
• Master of Science in Medical Microbiology
• Master of Science in Microbial Genetics and Bioinformatics
• Specializations in Microbiology
• Agricultural Microbiology
• Industrial Microbiology
• Evolutionary Microbiology
• Nano Microbiology
• Cellular Microbiology
• Soil Microbiology
• Veterinary Microbiology
• Generation Microbiology
• Microbial
• Water Microbiology
• Pharmaceutical Microbiology
• Microbial Genetics
• Environmental Microbiology

Hope it helps. 

hello aspirant,

to become a  microbiologist you need to do a bsc course on microbiology or zoology. you can do msc in microbiology after completing bsc in zoology. 

there are many job opportunities in research and chemical sector, food processing units as a microbiologist.