India, April 8 -- Planning that summer road trip soon? Think twice! For, the country is already in the grip of a heatwave. Since the beginning of the month, several states have been witnessing a rise in day temps (the mercury soared beyond 35degC in Kolkata and temps are already sizzling past 40deg in Central India). The India Meteorological Department (IMD) has raised an alert and the Health Ministry, too, issued guidelines to tackle heat-related illnesses....