Auto Traffic challan: This is how you can carry key transport documents on your phone to avoid fines Updated : September 23, 2019 02:25 PM IST An electronic document will be legally acceptable only if it is available on DigiLocker or mParivahan app. The data related to the insurance of vehicles is reflected on the eChallan app that is available only to enforcement officers. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.