The southwest monsoon has further advanced into the northern and the central parts of the country. Light to moderate rainfall occurred yesterday in several states and the national capital, bringing relief from the heatwave. <br />'' <br />'' Talking to AIR (News) today, senior official of IMD, M Mohapatra said, monsoon has further advanced yesterday covering  most of the parts of the country except West Rajasthan and some parts of Punjab.   <br />''