Hindustan Motors Ltd. Offers School Bus with Parallel Bars on Windows. Hindustan Motors Ltd. Is the supplier of passenger cars-ambassadors, contessa and multi utility vehicles-trekker, porter and pushpak. School Bus with Parallel Bars on Windows has ample space for children and their backpacks. School Bus with Parallel Bars on Windows has the features of forward facing lateral bench seats for 15 passengers, including the driver and the co - passenger. This school bus can be easily maneuvered even in narrow roads and can tackle thick city traffic, all of which helps reduce travel time. The interiors have been designed to provide storage space for accessories such as, school bags and water bottles. It comes under the brand name of RTV SCHOOL BUS.