(m)[ 'pension' includes gratuity except when the term pension is used in contradistinction to gratuity but does not include dearness allowance;] [Definition (m) substituted for 'pension ' includes gratuity except when the term pension is used in contradistinction to gratuity;' in G.O.Ms.No.902, Finance (Pension) Department, dated 26-11-1992.]