Hello aspirant,
No, you can't do dialysis course in class 11.


Diploma in Dialysis Techniques is a certification level skill based course in the area of Dialysis techniques and its procedure.
Eligibility:

1. The course can be pursued by the students after completing their 10+2 education and demanda minimum of 50% marks
2. (Relaxable for reserved category candidates) at 10+2 level in order to offer them admissions in the course.

Hope this answer is helpful for you.