The probe into the Rs 14,000-crore Satyam fraud, clean chit to Italian businessman Ottavio Quattrocchi in the Bofors payoff scam and a number of high- profile cases kept the country's premier investigating agency busy in 2009.
The agency probing the alleged rape and murder of two women in Shopian in Jammu and Kashmir gave a clean chit to four police officials.
After three years of probe, CBI in December filed a chargesheet against the two sons of former Haryana chief minister Om Prakash Chautala.
Acting on the Andhra Pradesh government's request, CBI had on February 18 taken over probe into the Satyam case leading to the arrest of former chairman B Ramalingam Raju, MD B Rama Raju and ex-CFO Vadlamani Srinivas.
On January seven, Raju confessed to have cooked the company's account books and inflated profits over the past several years. The probe in the case has been completed and the agency has filed two chargesheets.
Former Union minister Sukhram was convicted and sentenced on February 25 to undergo three years' rigorous imprisonment with a fine of Rs two lakh in a disproportionate assets case.
In a first of its kind incident, senior RAW officer A S Narayan Rao was on February 3 arrested by CBI for allegedly taking a bribe of Rs one lakh from a Chennai-based manufacturer.
