It has been reported that passenger van immediately caught fire after the collision.
As a result of accident, four persons including a woman died at the spot while seven people including children also sustain burn injuries.
The rescue workers immediately reached to the scene and rushed the casualties to the nearby hospital.
Three of the dead bodies were unrecognizable owing to the severe burns they sustain.
The relatives also reached to the hospital after the accident as emotional scenes were also witnessed at the occasion.