|Service type||Superfast Express|
|Current operator(s)||South Central Railways|
|Start||Hyderabad Decan / Visakhapatnam|
|Distance travelled||1,670 km (1,038 mi) as 12721 Dakshin Express, 1,669 km (1,037 mi) as 12722 Dakshin Express|
|Class(es)||AC 2 tier, AC 3 tier, Sleeper Class, General Unreserved|
|Catering facilities||Pantry Car available|
|Observation facilities||Has coaches of 12861/62 Vishakhapatnam Link Express|
|Rolling stock||Standard Indian Railway coaches|
|Track gauge||1,676 mm (5 ft 6 in)|
|Operating speed||110 km/h (68 mph) maximum
56.12 km/h (35 mph), including halts
The 12721/12722 Dakshin Express is a superfast express train belonging to Indian Railways that runs between Hyderabad Decan/Visakhapatnam and Hazrat Nizamuddin in India. It is a daily service. It operates as train number 12721 from Hyderabad Decan to Hazrat Nizamuddin and as train number 12722 in the reverse direction.
The 12721/2722 Dakshin Express presently has 2 AC 2 tier, 2 AC 3 tier, 14 Sleeper Class, 4 General Unreserved coaches & a Pantry Car coach. As with most train services in India, Coach Composition may be amended at the discretion of Indian Railways depending on demand. This includes the coaches of the 12861/62 Vishakhapatnam Link Express.
The 12721 Dakshin Express covers the distance of 1670 kilometers in 29 hours 30 mins (56.61 km/hr) & 1669 kilometers 30 hours 00 mins as 12722 Dakshin Express (55.63 km/hr).
As its average speed in both directions is above 55 km/hr as per Indian Railway rules, its fare has a Superfast surcharge. The coaches of the 12861/62 Vishakhapatnam Link Express bifurcates/joins the 12721/12722 Dakshin Express at Kazipet Junction.