Silao (Hindi: सिलाव, Urdu: سِلاؤ) is a city and a notified area in Nalanda district in the Indianstate of Bihar. It is known for the excellent Khaja made by its Halwais. It is also the headquarters of a Block, a small administrative unit, by the same name.
As of 2001[update] India census, Silao had a population of 20,177. Males constitute 52% of the population and females 48%. Silao has an average literacy rate of 52%, lower than the national average of 59.5%: male literacy is 60%, and female literacy is 43%. In Silao, 19% of the population is under 6 years of ag