Jewar is a town and a nagar panchayat in Gautam Buddha Nagar district in the Indian state of Uttar Pradesh. Noida, Dadri and Jewar are the 3 sub-divisions of GB Nagar district, each headed by a SDM. From Wikipedia
A double-decker bus traveling from Delhi to Azamgarh collided with a truck in Aligarh, with fog and overtaking cited as potential factors.