Northern suburb of Hyderabad city, Andhra
Pradesh, India, separated from the rest of
the city by the Hussain Sagar lake;
population (1981) 144,287. Formerly a
separate town, it was founded as a British
army cantonment, with a parade ground where
7,000 troops could be exercised. It was by
experiments at Secunderabad that Ronald Ross
established that malaria is carried by the
anopheles mosquito.