IIT Roorkee is indeed Asia's oldest technical institute and its excellent legacy fetch a lot of opportunities and advantages. Established in 1847, its primary purpose was to create engineers that work for the government and contribute to the overall development of the country. Continuing this legacy, IIT Roorkee alumni can be found in any government organization be it Indian Railways or Indian Railway Traffic Service.
The elaborate alumni network can be actively seen holding key positions in railways and so is the case with other government engineering departments too.
So, we can conclude that the major advantage IIT Roorkee has over other IITs is a strong alumni base in the government sector.