Chennai: Non-stop torrential rains since last night pounded several parts of Chennai and its suburbs and Puducherry triggering a deluge completely disrupting normal life as army and navy were deployed tonight in two suburban areas to undertake rescue on a war footing.

Two columns of army's Garrison Infantry Battalion have been pressed into service in Tambaram and Oorapakkam after the Tamil Nadu government sought military assistance. The Navy is also on stand-by.