New Delhi [India], May 18 (ANI): Heavy to very heavy rainfall is very likely to continue over south Peninsular India till May 23 with extremely heavy falls during May 19-21, according to the India Meteorological Department (IMD). Southwest Monsoon is very likely to advance into the South Andaman Sea, some parts of Southeast Bay of Bengal and Nicobar Islands around May 19, the IMD said. It further said that a cyclonic circulation lies over south interior Tamil Nadu and neighbourhood in low and mid-tropospheric levels. A trough runs from south Chhattisgarh to South Interior Karnataka and another…