IMPORTANT: RRB EXAM PORTAL is NOT associated with Railway Recruitment Board(RRB) or Indian Railways.

: Disclaimer :
RRB EXAM PORTAL is NOT associated with Railway Recruitment Board or Indian Railways. 
For RRB official website visit - www.rrcb.gov.in

Study Material For RRB Exam: General Knowledge (G.K.) - General Science: Communicable or Infectious Disease

IMPORTANT: RRB EXAM PORTAL is NOT associated with Railway Recruitment Board(RRB) or Indian Railways, For RRB official website visit - www.rrcb.gov.in