Nanjangud: Two labourers, who were proceeding on NH-766 (Nanjangud-Ooty Road) on their bike, were killed on the spot, when a speeding Bolero pick-up truck rammed into the bike this morning.   The deceased are Nagaraj (36) and Puttaswamy (52), residents of Kudlapura village. Nagaraj and Puttaswamy were proceeding on their bike (KA-09-HU-8411) to Begur, Gundlupet taluk,…