The Delhi Metro Rail Corporation announced that the month-long online survey.
To access the service, Delhiites need to add the official WhatsApp number of DMRC (9650855800) to their contact list.
Delhi Metro passengers can recharge their smart cards through Airtel Payments Bank.
The DMRC recently launched revamped website and mobile application for commuters.
Recently, DMRC introduced the open gate system at select stations on an experimental basis and noted the behavior and reaction of the passengers. A