Duronto express is a newer premium class of train which runs as fast as Rajdhanis. Duronto word comes from restless in Bengali as these trains had no intermediate commercial stops when they started. But since Indian Railways incurred losses for these trains, some technical stops were converted to commercial stops. On some routes (such as Delhi-Kolkata) they take lesser time than corresponding Rajdhani express. Unlike rajdhani some durontos also have non-air conditioned sleeper class. Thus, Duronto trains have classes First AC (1A), AC II-tier, AC III-tier and Sleeper. Bed-rolls in sleeper class of Mixed Duronto Express trains will be supplied to passengers on demand, on payment of stipulated charges. Duronto trains are distinguished by vibrant and colorful vinyl coating on the outer surface of the coaches. 1 duronto train runs from Ringas Jn to Hisar - HISAR DURONTO (12239).

Ringas Jn to Hisar HISAR DURONTO (12239) departs from Ringas Jn station (RGS) at 14:38 and arrives Hisar station (HSR) at 20:20. This train has 5 stoppages. Ringas Jn to Hisar duronto fare is Rs.1420 in First AC, Rs.855 in Second AC, Rs.625 in Third AC and Rs.585 in Third Economy for this train which includes meal charges also.