Tamil Nadu rains, Oct. 21 -- Amid a heavy rainfall alert for several districts in the state as the Northeast monsoon intensified, the administration has declared a holiday for schools and colleges in Chennai on October 22.

The Regional Meteorological Centre (RMC), Chennai, has predicted heavy rainfall in the coastal districts and issued red, orange and yellow alerts for various parts of the State.

A low pressure area that formed over the Bay of Bengal intensified into a well-marked low pressure area and is located approximately 400 km from Chennai, said B Amudha, Director of Regional Meteorological Centre (RMC) Chennai.

"By noon tomorrow, there is a possibility that the system will strengthen into a Depression. This is expected to occu...