Tripura Director General of Police Anurag Dhankar, who was found hanging in his office toilet at Agartala police HQ in a suspected suicide, led CBI probe into the ₹13,000-crore Punjab National Bank fraud involving diamond merchant Nirav Modi. The scam operated from 2011-2017, with Nirav detained at a London prison since 2019. Nirav's physical extradition from the UK remains pending.