MBBS

For MBBS admission, you will have to give NEET entrance exam and another exams which are conducted by respective universities. So, you cannot take direct admission. You have to give entrance.

Hello,
MBBS is the best amongst all the three. When you graduate as a doctor, there is nothing like unemployment. Doctors are self-employed. You can open your clinic or get job in hospital, whenever you want. Physiotherapy is also in demand these days and physiotherapists make a lot of money.

Hi,
Please visit the following link to get exact information about the colleges. You can apply fees filter according to your needs:
https://www.shiksha.com/medicine-health-sciences/colleges/mbbs-colleges-orissa?rf=searchWidget&landing=ctp

Hello,
There are many courses for psychology. You can do BA/MA/PhD in psychology, similarly you can also do B.Sc/M.Sc/PhD in psychology. Doing from arts side I doubt that you can prescribe medicines.

You can use college predictor to know about this:
https://www.shiksha.com/college-predictor
Good luck.

Congratulations, you can definitely get a seat.

It is going to be conducted and online application are already available.

Yes, you can do that believe on yourself prepare for the worst hope for good and just do it.