The accident took place in Sadiq Nagar around 11 pm last night.
Seven of the nine injured are BSF personnel. The condition of three persons is critical.
According to a senior police official, the tourist bus hit a divider and then rammed into the BSF van coming from Meerut besides a motorcycle and scooter.
Four persons were brought dead to the AIIMS trauma centre.
The deceased have been identified as BSF driver Ranveer, jawan Deepak, and motorcyclist and scooterist Sanjay and Surendra.
Published 22 February 2010, 03:21 IST