The three employees were on their way from Dhuri to join the night-shift at their factory in Barnala, when near the village, two unidentified youth fired three shots at them.
While Amarjit Singh of village Meerheri, who was driving the bike, fell down, pillion riders Dharampal of village Manawal and Amit Bhardwaj of Kangra in Himachal Pradesh sustained bullet injuries.
The assailants fled away in their bike, police said.
Amarjit took the victims to Barnala Civil hospital from where they were shifted to CMC, Ludhiana.
According to police, Amarjit has denied any rivalry with anyone.
An FIR has been registered at Barnala Sadar police station under section 307 of the IPC for attempt to murder against unidentified people, police added.
UNI XC JN GL VC1640