TNN | Apr 22, 2012, 01.53AM IST NEW DELHI: The Central Bureau of Investigation (CBI) probe into the Tatra scam is examining a connection between Madhya Pradesh IAS couple Arvind Joshi and Tinoo Joshi, who are facing graft charges, and London-based businessman Ravi Rishi. The CBI is looking at Rishi’s Vectra Group acquiring maximum shares […]