New Delhi, May 6 -- A CBI court has convicted former Karnataka Minister Gali Janardhan Reddy and three others in the Obulapuram illegal mining case, sentencing them to seven years' imprisonment.

The Obulapuram Mining Scam revolves around illegal iron ore mining and massive tax evasion involving the Obulapuram Mining Company (OMC), owned by Karnataka's influential Reddy brothers, including former minister Gali Janardhan Reddy, and their close associate, state health minister B. Sriramulu.

Investigations revealed that OMC entered into a dubious Memorandum of Understanding (MoU) with a Singapore-based shell company, GLA Trading International (GLATI), to underreport sales and evade taxes in India. GLATI, with offices in tax havens like Sing...