3153 Improver Labh Singh, I.A.F. 3153 Improver Labh Singh, I. A. F. British India General Service, 1936-39, single clasp, N.W. Frontier 1937-39 Labh Singh served with distinction, earning the admiration of his comrades and superiors alike for his bravery and dedication during the N.W. Frontier campaign. 3153 Improver Labh Singh, I. A. F. British India General Service, 1936-39, Single Clap, N.W. Frontier 1937-39 Labh Singh served distinction, receiving the praise of his peers and top officials for his bravery and dedication during N.W. Frontier campaign.