Hyderabad: Sharad Kumar Srivatsava, Director General of Indian Railway Institute of Signal Engineering and Telecommunications said the institute had imparted training to a record number of 5,195 personnel by conducting 221 courses this year, with productivity of 74,800 trainee days. Speaking at the 67th annual day celebrations on Sunday, Srivastava said that Iriset had signed memoranda of understanding with three …