Republic of the Philippines Supreme Court Manila EN BANC GOVERNMENT SERVICE INSURANCE SYSTEM (GSIS) and WINSTON F. GARCIA, in his capacity as President and General Manager of the GSIS, Petitioners, - versus G.R. No. 191218 Present: CORONA, C.J., CARPIO, CARPIO MORALES, VELASCO, JR., NACHURA, * LEONARDO-DE CASTRO, BRION, PERALTA, BERSAMIN, DEL CASTILLO, * ABAD, VILLARAMA, JR., PEREZ, MENDOZA, and SERENO, JJ