The truck was looted late last night, police said, adding that they had immediately alerted police of other districts to nab the culprits.
"The truck has been recovered with the material near Bhoyan village in Deesa taluka. The exact amount of recovered material could not be established immediately. We were tracking the movement of the truck from morning," Ahmedabad (Rural) Superintendent of Police Gagandeep Gambhir said.
Deesa is located 170 kms north to Ahmedabad.
"We are questioning the driver and the cleaner of the truck for further leads," the SP said, adding that further probe was on.