Science

No, B.Sc physical science students cannot apply for M.Sc in IT.

If you are pursuing after completing graduation you can apply for PG Diploma courses after pursuing graduation (any field) with a minimum of 50% marks.

Hey,
For PG in chemistry, there are different entrance exams like TIFR GS, IIT JAM, BITS, etc.

Yes, if you make sure that you pursue it from a reputed government recognised institute. Usually, maritime studies institutes are approved and certified by Director General of Shipping, Ministry of Shipping.

You are eligible to get into the field of psychology after completing B.Sc. You can choose psychology through distance mode. There are several courses in psychology like:
Cognitive Psychology
Industrial and Organizational Psychology
Rehabilitation psychology
Forensic Psychology
Educational Psychology
Stress Management and Counseling
Social psychology
Research Methodology and Psychometrics
Environmental psychology

Hello Kadam,
Lovely Professional University, Faridabad is best in terms of recognition, fees, curriculum, etc.