Motorists can check their pending challans through the official e-Challan portal using their vehicle, challan or driving licence number. Patna Traffic Police has proposed the cancellation of driving licences of motorists with five or more unpaid challans. Here's what vehicle owners need to know. Patna: The Bihar Police and transport department have launched the ‘Lump Sum Traffic Challan Settlement Scheme 2026’ to facilitate disposal of pending e-challans through National Lok.