Hey !
Post Basic B.Sc. Nursing (P.B.B.Sc.) is a 2- year undergraduate program pursued for candidates interested in the field of Nursing. Top Institutes offering Post Bsc Nursing courses are :
1) All India Institute of Medical Sciences (AIIMS), New Delhi
2) Armed Forces Medical College, Pune
3) Madras Medical College, Chennai
4) Sri Ramchandra University, Chennai
5) Manipal University, Manipal
Coming to your query,
The admission process for the course is varied, as various institutes have their very own criteria and processes of admission. Admission to the course is most often based on the candidates obtained merit at the 10+2 level and in the GNM course.
Hope this helps
All the best !