Ennore

Ashok Motors (later Ashok Leyland) founded in Madras

Raghunandan Saran founded Ashok Motors in Madras to assemble cars; it became Ashok Leyland in 1955.

Ennore Thermal Power Station commissioned

The coal-fired Ennore Thermal Power Station north of Madras began generating electricity, with units added through 1975.

Ennore declared a major port

Ennore's new port, north of Chennai, gained major port status and was incorporated as Ennore Port Limited, the first major port in India run as a company.

Ennore oil spill after tanker collision

Two tankers collided off Kamarajar Port in Ennore, and the resulting oil spill spread along the north Chennai coast.

Ennore ammonia gas leak

Ammonia leaked from a subsea pipeline of a fertiliser plant at Ennore, sending dozens of residents of fishing villages to hospital.