I want to apply for the latest recruitment of Railway Recruitment Board, Bangalore for the Staff Nurse post so can you please tell me the eligibility and the age criteria required to apply for this recruitment? Also tell me the total number of posts?

As you have asked about the recruitment for staff nurse in RRB Bangalore, I am giving you information about it, check below for the details
I want to tell you that as of now there is no recruitment for the staff nurse is going on RRB Bangalore.
However, you can check its website regularly to know about it.
To check it you can follow steps given below
Go to RRB Bangalore website
Click on Employment Notice in the left side of screen, the page open look like



Here you will get the information about the recruitment when available.

I found following archived recruitment notifications:

Commercial Apprentice, Traffic Apprentice, Goods Guard, Jr.Accounts Asst., Sr.Clerk cum Typist, and Asst. Station Master
Jr.Clerk cum Typist, Accouts Clerk cum typist and Ticket Collector

SSE/ CDMS/ JE /DMS /CMA
Staff Nurse, Health & Malaria Inspector
Stenographers(English / Hindi), Law Asst, Jr.Translator (hindi)
SE,JE,CDMS,DMS & CMA