Raju was sentenced to seven years' rigorous imprisonment by a special court here today for the multi-crore accounting fraud at Satyam, the company he founded.
The detention undergone by the convicts during the probe and the trial shall be set off against the imprisonment.
Raju spent over 30 months in the prison during the investigation and trial. He was also hospitalised at Nizam Institute of Medical Sciences (NIMS) for almost one year for treatment of hepatitis-c and heart ailment as an under-trial, so he would have to spend another four years in the prison.
Raju, who was arrested first on January 9, 2009, was in judicial custody from January 10, 2009 to August 19, 2010 and also between November 10, 2010 and November 5, 2011.
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In December 2008, he moved a proposal to merge Maytas with Satyam. However, he had to backtrack due to vehement opposition from shareholders. The situation then went from bad to worse after the World Bank banned SCCL from undertaking any of its projects for eight years.
SCCL, which was listed in New York Stock Exchange, was delisted from the exchange after the Mahindra Group took over the company in 2009.
Satyam had around 50,000 employees before the scam was unearthed. The new management, however, cut this down to around 30,000 a year later.