After weeks of relentless heat, northern India is set to experience a dip in temperatures as the southwest monsoon prepares to make swift progress across central and northern regions, the India Meteorological Department (IMD) said on Monday."India to receive above average monsoon rains in second half of June," the weather bureau officials said.The forecast comes amid an intense heatwave that has gripped large swathes of the country. On June 11, Delhi recorded its highest temperature of the season at 43.8°C, with high humidity pushing the heat index even higher. The IMD had earlier warned that the heatwave could persist through midweek, with maximum temperatures nearing 45°C.Meteorologists attributed the extreme conditions to a weakening of recent western disturbances and the delayed arri