Excise and taxation employees, including two senior officers, were booked, police said Saturday.
Umed Singh, an assistant excise and taxation officer and Inspector Bir Singh, with other employees, were booked for negligence.
"The accused were booked on the complaint filed by deputy excise and taxation officer Aruna Singh," police officer Arvind Kumar told IANS.
The accused officials from passenger and goods tax section of the tax department stopped a truck near Rajiv Chowk here on the Delhi-Gurgaon expressway Monday.
It was coming from Rajasthan and headed for Delhi. During checking, it was found the truck owner had not paid tax for the past two years. The impounded truck was taken to a parking near Rajiv Chowk but the driver and cleaner managed to escape.
Friday, nearly two-and-a-half-dozen cows were found in the vehicle, most of them dead and some badly decomposed after the parking staff reported foul smell.
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The accused officials with some policemen Friday tried to bury the dead cattle near Bandhwari village on the Faridabad road. Around 1,500 villagers objected and blocked the road for several hours.
"The accused will be arrested soon," a senior police officer said.