Hyderabad, Apr 9 : The Central Bureau of Investigation (CBI) on Thursday collected the specimen signatures of Satyam Computers Chairman B Ramalinga Raju and four other accused in connection with the 7,800 crore fraud at the IT major.

The CBI obtained 60 signatures each of B Ramalinga Raju, his brother Rama Raju, ex-Chief Financial Officer Vadlamani Srinivas and the two sacked auditors of PriceWaterhouse, S Gopalkrishnan and Talluri Srinivas, in the presence of the Additional Chief Metropolitan Magistrate.

The CBI had earlier sought the court''s permission to gather the signatures of the accused so as to compare them with the ones in seized vouchers, cash memos and other false and fabricated documents.

All of the accused were brought to the court amid tight security from the Chanchalguda Jail.

They were returned to the jail before 12 p. m.

On Tuesday, the CBI had filed a 76-page charge sheet against Ramalinga Raju and eight others before a special court here under various sections of the Indian Penal Code for cheating and forgery.

It had submitted 1,532 original documents of bank transactions and 65,000-page other documents, which included the statements of 432 witnesses in the case along with the charge sheet in the court. (ANI)