PATNA, Oct. 29 -- The road construction department (RCD) plans to conduct a feasibility study of building an underground network of roads in the capital city. The initial phase will assess the viability of subterranean routes connecting key junctions, including R-block to Kankarbagh and Dak Bungalow Chauraha to Patna Women's College. This is among 43 proposals approved by the state cabinet at its meeting chaired by chief minister Samrat Choudhary on Wednesday. Additional chief secretary, cabinet, Arvind Chaudhary said that the idea of the study is to assess the feasibility of building an underground road network so that the congestion on the existing roads could be reduced. The cabinet also gave its go ahead to the science and technology department's artificial intelligence policy, which seeks to develop Bihar as a leading centre of AI-driven governance, innovation and economic growth. The policy is aimed at attracting investments of AI companies, global capability centres and startups in the sector. The water resources department's (WRD) proposal for scientific study of the flood-prone stretches of the Kosi, Gandak and Sone rivers got the cabinet clearance. Under the proposal, the WRD would sign a memorandum of understanding with National Institute of Hydrology, Roorkee to carry out the study....