During a checking of vehicles in Lasudia area here late last night, police intercepted a jeep and asked its driver to stop the vehicle, a sub-inspector at Lasudia Police Station said today.
The driver, however, hastily tried to speed up the vehicle in a bid to escape, he said.
When police chased the jeep, it overturned after moving some distance and all its occupants managed to run away, he said.
During a search of the vehicle, police found about a quintal of ganja packed in seven sacks, the officer said.