The story
The South Bengal State Transport Corporation started its journey on 1 August 1963 in Durgapur industrial township by the Government of West Bengal with an aim to provide a clean and hassle free ride to the people of Durgapur. initially, it started with only 8 buses operated inside the township covering a total route length of 65 km. In 1964–65, the fleet strength increased to 25 with and total operating route length increased to 102 km. In 1965–66, the fleet strength is increased to 62 and route length became 428 km.
On 15 August 1967, it was renamed to "Durgapur State Transport Board (DSTB)".In 1968–69, DSTB extended its activities through augmentation of fleet strength of 100 buses operating in 11 long distance routes and 8 township routes covering a total route length of 1200 km and 176 km respectively. In 1972–73, Durgapur-Siliguri bus service was introduced with 3 new town services and the total route length of long distance and town services went up to 1650 km and 143 km respectively.
In 1973, DSTB was ultimately converted into public sector undertaking under the name and style of " Durgapur State Transport Corporation(DSTC)" and many new routes has been introduced. DSTC got its present name in 1988 with an objective of increasing its service to the entire south Bengal.
From Wikipedia’s article on South Bengal State Transport Corporation, shared under CC BY-SA 4.0.4