Delhi city bus route no 921EXT operated by DTC (Delhi Transport Corporation), which runs multiple number of city buses between I.S.B.T. Kashmere Gate and Mubarakpur Dabas everyday.
DTC is one of the largest CNG-powered bus service operator in the world and connects almost every part of Delhi and NCR (National Capital Region) with its huge network of buses.
This DTC 921EXT route city bus runs about 5 trips every day (one-way) and passes through 59 bus stops during the one way trip.