14 hours ago · What is GNM? GNM or Diploma in General Nursing and Midwifery is a 3-year and 6-month long diploma course designed for aspirants who. General Nursing and Midwifery or GNM is a three-year and six-month diploma course designed for aspirants who want to pursue a career in clinical nursing. GNM Nursing is a three and a half year diploma course inclusive of a six-month internship, and can be pursued after completing Class 12 with. Video Related :- Anm nursing course details | Anm kya hota hai | Anm course details. GNM stands for General nursing and midwifery. course full detail 2020 || gnm nursing course.