Hello Richa ,
It is great to know, that  you are interested in perfusionist.perfusionist basically means a healthcare professional who operates the cardiopulmonary bypass machine (heartlung machine) during cardiac surgery and other surgeries that require cardiopulmonary bypass to manage the patient's physiological status.A perfusionist can't be counted as a doctor .They may be considered as Nurse or medical technician.

To become perfusionist you need to complete B.sc
In Cardiac perfusion which is  3 year undergraduate program.For getting admission in this course one should have 50-55% aggregate marks in intermediate with PCB as their main subjects. There are many colleges in India who offers this course .some of them are as below
1.Hamdard Institute of Medical Sciences and Research(NEW DELHI)   -Fee approx(80,000)
2.SRM University Kattankulathur (KANCHIPURAM)- Fee approx(50,000).
3.JIPMER(Puducherry)- Fee approx (76,000)
4.RGUHS(Banglore)-Fee approx ( 60,000)
5.Frontier lifeline Hospital (Chennai) -Fee approx(1,40,000)

CAREER AFTER THIS COURSE
Pediatric perfusionist.
Patient Care Coordinator.
Lecturer and Perfusion Educator.
Ecmo Technician.
Medical case review physician.
Medical equipment sales representative.

YOU CAN APPLY  FOR JOB IN:-
AIIMS
MAX Life care
Appollo Hospitals
Fortis
and in different hospitals, it will be both private as well as Government.

SALARY of a perfusionist depend upon their post. It vary according to your job profile and company in which you are hire. Like for cardiac perfusionist it will be around 10LPA whereas for a lecturer it will be around 3-4 LPA .

Thanku, may be I'm helpful  for you.