Potholes have always been a problem on Delhi’s roads. They slow traffic, make rides uncomfortable, and can cause serious accidents. In the rains, they turn into pools and become bigger hazards. They are receptacles of road dust that adds to Delhi’s killer air pollution. And no matter how many times they are repaired, they return. As the Delhi government and civic agencies work to improve the capital’s broken and damaged road network, the Municipal Corporation of Delhi (MCD) is looking for a more effective, scientifically-driven fix to the problem of potholes this year. On the MCD’s table are three technologies for pothole-repair, resurfacing, and road maintenance that have been patented by the Council of Scientific and Industrial Research-Central Road Research Institute (CSIR-CRRI), the country’s premier R&D organisation on the maintenance, construction, and design of roads, The Indian Express has learnt.…