Shimla, May 23 -- Public works and urban development (PWD) minister of Himachal Pradesh Vikramaditya Singh on Friday held high-level meetings with Karnataka chief minister Siddaramaiah and deputy chief minister D K Shivakumar in Bengaluru to study Karnataka's urban development framework and explore its adaptation for the hill state. During the meeting, the two leaders held discussions on modern development models and ongoing projects being undertaken by the public works and urban development departments in Himachal Pradesh and Karnataka. Particular emphasis was laid on infrastructure development, especially innovative road construction and road strengthening technologies being adopted in Karnataka. Vikramaditya Singh expressed keen interest in studying the latest techniques used in Karnataka for road construction and maintenance so that suitable practices may be adopted to further improve road infrastructure in the hill state. He said that senior officers from the PWDUD departments of Himachal Pradesh would soon visit Karnataka to study the successful urban development and infrastructure models being implemented there....