The Union of India and its officers have filed the instant appeal under Clause X of the Letters Patent challenging the judgment dated 19.08.2009 rendered by the learned Single Judge in C.W.P. No. 12583 of 2009 holding that merely because the petitioner-respondents were discharged from services on completion of terms of their engagement and were not invalidated out from service, would not dis-entitle them the benefits which flow to them from the letter dated 03.02.2000 (Annexure P-2). The learned Single Judge has placed reliance on Regulation 179 of the Army Pension Regulations, 1961 (for brevity 'the 1961 Regulation), which was also subject matter of consideration by a Division Bench of this Court in the case of Paramjit Singh v. Union of India and others (C.W.P. No. 67 of 2007) decided on 12.02.2008. The Division Bench in Paramjit Singh's case (supra) has also taken into account the letter dated 03.02.2000, which provides that even though percentage of disability of the petitioner-respondents is 20% , yet he is entitled to be paid the disability pension at the rate of 50%. Accordingly, the