LUCKNOW, May 22 -- Defence minister Rajnath Singh on Wednesday announced major infrastructure and technology developments for Lucknow, including a circular train for daily passengers that will soon run around the state capital, following the completion of ring road, and a Rs 2,500-crore semiconductor chip manufacturing unit planned in the city. "A circular train will soon run around Lucknow, following the completion of ring road. I have discussed the project with the railway minister and plans are underway to implement it at the earliest," he said.P3...