Subhash and Vikram died when they were going towards Uklana, they said.
A case of negligent and reckless driving was registered against the driver of the bus, they said.
In a separate mishap, two persons died and two others sustained serious injuries yesterday when a truck hit a tempo and a motorcycle on Kosli-Salhawas road in Rewari district.
Jai Narain and Madan Lal lost their lives in the mishap, police said.