Following is the chronology of the case and its origin. Following is the chronology of the case and its origin: January 29, 2018: Punjab National Bank (PNB) files police complaint against Nirav Modi, Mehul Choksi and others accusing fraud to the tune of ₹2.81 billion. February 5, 2018: The Central Bureau of Investigation (CBI) launches an investigation into the alleged scam. February 16, 2018: The Enforcement Directorate (ED) seizes a cumulative ₹56.74 billion worth of diamonds, gold and jewellery from Nirav Modi’s home and offices. February 17, 2018: The CBI makes first arrest in the case. Two PNB employees and an executive of Nirav Modi’s group were detained.