The Central Bureau of Investigation (CBI) wants Satyam founder B Ramalinga Raju and two others to go through a lie detector test and believes they "are not sharing everything" in connection with the Rs 78 billion ($1.5 billion) fraud in the IT major.
"We have applied for conducting a polygraph test on the trio in a Hyderabad court as we feel more evidence is required," CBI director Aswini Kumar said on Thursday. Besides Ramalinga Raju, the CBI also wants his brother B. Rama Raju and former chief financial officer Vadlamani Srinivas to undergo the test.
"We feel the Rajus are not sharing everything with us. It is a case of corporate fraud not conducted by an outsider," Kumar told reporters on the sidelines of a conference in the capital.
The investigative agency last month booked the accused for criminal conspiracy, criminal breach of trust, cheating, forgery and falsification of accounts.
Ramalinga Raju had January 7 confessed that he had cooked the company's account books and inflated profits over the past several years.
The company founder and his brother Rama Raju were arrested January 9. Former chief financial officer Vadlamani was picked up the next day. Two former auditors from PriceWaterhouse were detained later.