There are many industries in Dowlaishwaram, but the major one being the Horlicks factory.
It was leased after the First World War, and in 1924 it was purchased by Sir James Horlick, founder of Horlicks Ltd.
His relatives, James and William, were born in Ruardean and are today known worldwide for their hot malt drink Horlicks.
In sport, Greg Clark reported on the victory of New Zealand horse Horlicks in the 1989 Japan Cup, 1990 Commonwealth Games sprinter Peter O'Donoghue was interviewed by Steven Stuart and Clint Brown previewed upcoming summer tennis.
In February 2012 a class 6 student from Maharishi Vidya Mandir in Chetpet, won the city finale of the HDFC Life Spell Bee, India Spells 2012, a competition jointly held by The Times of India and Horlicks.
According to a reporter for The New Paper, the "Dinosaur" in the beverage's name on its own means "a heap of Milo or Horlicks powder on the iced drink".
James Horlick (1844 – 1921) was, with his brother William (1846 – 1936), the co-founder of the malted drink Horlicks.