Karnal, Sept. 3 -- A day after heavy rainfall gridlocked Gurugram roads, Union minister of housing and urban affairs Manohar Lal Khattar on Tuesday said the public must use public transport, such as the Metro, on such days. The minister said that citizens should opt against personal vehicles, while also trying not to venture out until urgent. "In fact, during my recent visits to Haryana, I opted for train than personal vehicles, only due to traffic reasons. The government is developing more roads, metros, flyovers and other long range development works," he said. The Metro network was stretched on Monday, as commuters navigated congested stations and crowds. The problem was compounded due to snags on the Yellow Line and Blue Line, which increased commute time....