Hello Anjali,
ANM: ANM full form is Auxiliary Nurse Midwifery. After completion of 12 th standard you can study ANM for two years. There will be less subjects in ANM than GNM and B.Sc Nursing.
For more information about ANM offering Colleges in India go through below mentioned link.
https://medicine.careers360.com/colleges/list-of-auxiliary-nurse-and-midwifery-colleges-in-india
GNM: GNM full form is General Nursing and Auxiliary. It is a 3.5 to 4 years Undergraduation degree course. It is a Diploma level course. Admission is based on entrance exam like JIPMER Nursing Entrance exam, AIIMS Nursing Entrance exam, BHU Nursing Entrance exam etc.
To get more information about GNM go through below mentioned link.
https://www.careers360.com/courses/general-nursing-and-midwifery-course
B.Sc Nursing: B.Sc Nursing is of two types Basic which is a four years degree course in Nursing and B.Sc Nursery - Post Basic which is two years course. After 12 th standard candidates can join B.Sc Nursing. Entrance exams like IUET, JIPMER, AUAT, IGNOU OPENNET, ITM NEST, AJEE, etc
Visit below mentioned link for more information about B.Sc. Nursing.
https://www.careers360.com/courses/b-sc-nursing
May this information was helpful to you.
All The Best!!
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