Hi,

B.SC Nursing and B.Pharma are entirely different fields. B.SC Nursing deals with patient care and requires the skills of care, sympathy, patience and affection. B.Pharma deals with manufacturing and processing various drugs, quality checking and assurance and relevant field. Both have scope and are best in their own fields. You need to opt out the subjects by seeing your area of interest. B.Pharma is more aligned to industrial work over B.SC Nursing. Choose the course which suits you best.

You can know the details about both these courses here and then choose accordingly:
B.SC Nursing: https://www.careers360.com/courses/b-sc-nursing

B.Pharmacy: https://www.careers360.com/courses/b-pharma-bachelor-of-pharmacy