Good Evening

hope are are absolutely fine, as per your query, the seats allotment for boys are different in each and every colleges so, it is very difficult to tell exact reservation for boys. B.Sc Nursing is 4 years under graduate programme where you learn to become a Nurse. as per survey and researches 2021 there are total 3688 nursing colleges are scattered in all over India, and total 148,020 seats are allocated for nursing course in India. And, you have to qualify NEET to get admission in Nursing course.

for more information about B.Sc Nursing checkout given link below:
https://www.careers360.com/courses/b-sc-nursing

Hope you found it helpful