'Railways have modified the definition of deaf in para 511(7)(b) of IRMM-2000 for the purpose of reservation in employment'
Ministry of Railways (Railway Board) vide letter No. 2003/H/23/4 dated 12.03.2003 have modified the para 511(7)(b) of IRMM-2000 as under:-
b) "The Deaf": The deaf are those in whom the sense of hearing is non-functional for ordinary purposes of life. They do not hear, understand sounds at all events with amplified speech. The cases included in the category will be those having hearing loss of more than 60 decibels in the better ear (profound impairment) or total loss of hearing in both ears".