Medicine & Health Sciences

The best careers to get into are mentioned below:
Bio-medical Engineering: Bio-medical engineers use engineering and design skills to help solve problems in the medical field. This may include duties such as designing medical equipment and devices, overseeing product manufacturing or conducting research. A minimum of a Bachelor's degree in bio-medical engineering is required to work in this field.
Speech Pathologist and Audiologist : Speech pathologists diagnose and treat speech, language and communication disorders. Additionally, they may work with patients who have swallowing difficulties due to strokes or brain injuries. These professionals are employed by rehabilitation centers, hospitals, clinics, schools or home health care agencies.
Occupational and Physical Therapist: Both occupational and physical therapists work with patients to help them recover after an illness, disease or accident leaves them disabled in some way. Occupational therapists are required to have a Master's degree in most states while physical therapists need a doctoral degree.
Dental Hygienist: Dental hygiene is another top career in the field of health care. Hygienists work with dentists to promote dental health. Responsibilities of this job include cleaning teeth, conducting mouth exams and educating patients on dental care and maintenance. Dental hygienists most often work in dental offices.
Physician's Assistant : Another emerging field in health care is that of the physician's assistant. Under the supervision of a licensed physician, physician's assistants can give physical exams, diagnose disease, prescribe medications and interpret lab results.
Diagnostic Medical Sonographer: The use of technology in diagnosing disease is constantly increasing. Diagnostic medical sonographers use special equipment to take images of a patient's body. These images are used by physicians to diagnose and plan a method of treatment.
Respiratory Therapist: The respiratory therapist can find employment in an array of medical environments including hospitals, nursing homes or home health care agencies. Their job is to assist patients who have breathing difficulties due to ailments such as asthma, emphysema or lung disease.
Psychiatrist: Psychiatrists are physicians responsible for diagnosing and treating diseases and ailments related to the mind.
Dietitians and Nutritionists: Dietitians and nutritionists have similar roles in the health care field.

First, take your Senior Secondary Examination (I.e. your 12th class board exam) and score at least 60% in all the subjects.
Then you have to try for various medical entrance examinations like AIPMT, AIIMS, JIPMER, various State PMTs, etc. and achieve a good rank (it is easier said than done, although the level of examination is not that tough overall, but the number of seats is quite less which is why the selection rate is very low, even lower than IITs).
And then finally, complete your MBBS from a reputed medical college.
Congrats! You are a doctor!
But most students after MBBS try to specialise in a specific field (I.e. MD/MS). For that, you have to take the PG (post-graduate) medical entrance exams like AIPGMEE, etc. (Even more tough) after completion of your MBBS.
After PG, some opt for M.Ch./DM, etc. but that's completely up to you.
Take years of experience and then probably you'll get selected to be onboard on AIIMS as a panel doctor.