India Meteorological Department (IMD) has said that large parts of the country are likely to receive heavy to very heavy rainfall during the next two-three days. The IMD said a low pressure area has formed over northwest Bay of Bengal off north Odisha and West Bengal coasts.  There is also a monsoon trough plus a convergence of southwesterly winds with moisture from Arabian Sea is likely to continue during the next two days, which will lead to heavy rains over several parts of the country. <br />'' <br />''The IMD said fairly widespread rainfall with heavy to very heavy rainfall at isolated places are very likely over major parts of North India including Himachal Pradesh, Uttarakhand, Punjab, Haryana, Chandigarh, Delhi, Uttar Pradesh and east Rajasthan during the next two days and decrease thereafter.   It further said, moderate to severe thunderstorm accompanied with lightning very likely at isolated places over Uttarakhand, Haryana, Chandigarh, Delhi, east Rajasthan and Uttar Pradesh during next 24 hours.<br />'' <br />''Several parts of western India are also expected to receive heavy to very heavy rainfall. Fairly widespread rainfall with heavy to very heavy falls at isolated places are also expected over Gujarat and parts of central India during next 48 hours. Isolated heavy to very heavy falls are likely over northern parts of Konkan and Goa during next 72 hours. <br />