"Representatives of Southern India Motor Transport Association have decided to stop operations from mid-night of August 1, 2010, and All India Motor Transport Congress will also join SIMTA if no action is taken by the government," the transporters' body said.
SIMTA is part of the all-India body.
The opposition National Democratic Alliance and the Left parties called a Bharat Bandh on July 5 to protest the recent hike in fuel prices.
Following the hike last month, petrol, diesel and kerosene rates have gone up by Rs 3.50, Rs 2 and Rs 3 a litre, respectively.
Truckers to go on indefinite strike from April 5
NDA team meets EC over Bihar transfers