Passed 12th with 57% aggregate. Any short term course in medical feild
can represent facilities you can even get into a critical care services course under the anaesthesia departments of particular medical colleges across India

You can do paramedical courses like
Medical Lab Technology.
Medical X-Ray Technology.
Medical Records Technology.
Operation Theatre Technology.
Dialysis Technology.
Health Inspector.
You can also do diploma courses in medical .
Nutrition course and Nursing course can also help.
Goodluck