Fifteen people, including four children, were killed in rain-related incidents in Tamil Nadu, where north-east monsoon turned vigorous inundating several low-lying areas and destroying crops.

Seven persons, including four children, were killed in Kumbakonam district when houses collapsed, the police said. One person was electrocuted at Pallikarani in Chennai after he came in contact with a snapped live wire.

A 50-year-old woman was killed in floods in Cumbam in Theni district. Reports of six other deaths have been received from various places across the state, the police said.

Meanwhile, the Regional Meterological Department has forecast isolated heavy rainfall across the state, besides Kerala [Images], Puducherry and south Andhra Pradesh during the next 48 hours. According to Met officials, the low pressure over Bay of Bengal has intensified into a depression and has centered south-east of Chennai.

It was expected to move in a west, north-westerly direction and cross Tamil Nadu and Andhra Pradesh between Puducherry and Kavali, near Nellore in AP, on Monday evening. Meanwhile, the state government has announced a holiday for educational institutions on Monday.