Chandigarh, July 29 -- Mercury plunged for the second consecutive day on Monday, thanks to the rain. With 2mm rain, the maximum temperature dropped to 32.3degC. The drizzle during the day caused the humidity levels to rise. The India Meteorological Department (IMD) has issued a yellow alert for Tuesday, with possibility of heavy rain at isolated parts in the city. The maximum temperature is further expected to drop to 30degC while the minimum is expected to be around27degC. On Monday, the minimum temperature dropped to 26.9degC from Sunday's 28.5degC.htc...