Hi Prinsi , yeah the registrations for AIIMS Nursing under the Prospective Applicants Advanced Registration system announced by AIIMs consists of two stages - basic registration and Generation of Code and Final Registration. you must have completed the basic registration before January 3, generate the code by March 25 and then complete the final registration by April 5, 2019.and the entrance exam for B.Sc Nursing (Post-Basic)  will be on June 1, for B.Sc (Paramedical courses) on June 15 and B.Sc(H) Nursing on June 23, 2019. Good luck