Enforcement Directorate team raids the Viviana Mall after a complaint filed by Punjab National Bank over Nirav Modi's fraud case, in Thane on February 16, 2018.(PTI File Photo)
The case is centred around diamond billionaire Nirav Modi who allegedly acquired fraudulent letters of undertaking from a branch in Mumbai to secure overseas credit from other Indian lenders.
A multi-agency probe is underway and investigators have been conducting searches at PNB branches and at Nirav Modi’s home and offices.
Here are the agencies involved in investigating the case: