The Andhra Pradesh high court on Thursday deferred the hearing on the Central Bureau of Investigation's petition seeking permission to subject Satyam [Get Quote] founder B Ramalinga Raju, his brother B Rama Raju and former chief financial officer Srinivas Vadlamani to lie detector and brain mapping tests to August 7.

The CBI had, on April 25, appealed to the XIV additional chief metropolitan magistrate to allow the agency to conduct forensic tests on the trio as a step-in-aid in investigation.

Image: Satyam office. | Photograph: Rediff Archives