Omveer, the driver hailing from Hapur, and conductor Shubham, a resident of Meerut, were robbed when 10 passengers were travelling in the Delhi-bound bus late last night.
Six persons boarded the bus at Meerut Ghantaghar Chowk and when it reached Muradnagar, they robbed the two of Rs 6,000 at knife-point, police said.
When the driver and the conductor resisted, they attacked them with knives.
The two received injuries on their heads but were in stable condition, police said.