KALYAN: The investigation into the assault on doctors and nurses at Kalyan's Shastri Nagar Hospital gathered pace on Sunday after Shiv Sena corporator. The Bombay high court on Saturday cancelled the bail granted to Mhatre KALYAN: The investigation into the assault on doctors and nurses at Kalyan's Shastri Nagar Hospital gathered pace on Sunday after Shiv Sena corporator Ramesh Mhatre surrendered be... [1704 chars]