Mumbai–New Delhi Duronto Express, also known as Mumbai AC Duronto Express, is a 16 Coached fully air-conditioned, non-stop version of Duronto-type service running between Mumbai Central and New Delhi. It is one of the fastest train to connect Maharashtra to Delhi. It is maintained by Western Railways (WR), Mumbai division. This train does not used to make any commercial halts, but now it does make commercial halts at Vadodara, Ratlam and Kota. In the up direction, from New Delhi to Mumbai, the service runs with train number 22210 and in down direction, from Mumbai to New Delhi, as train number 22209. Post extension of Sealdah–New Delhi Duronto to Bikaner, this train is currently the fastest Duronto Express in Indian Railways.