Mumbai - To ease the troubles caused by demonetisation, the Airports Authority of India has announced that car parking charges at all Indian aiports can be paid digitally from 29 November.The free parking service which was announced on 14 November after the junking of the old Rs 500 and Rs 1000 denomination notes, will be called off from midnight of 28 November. Visitors to the airports can henceforth make payments by debit cards, credit cards, Paytm, Freecharge or any other online wallet service.