Sirka is a census town in Ramgarh district in the Indian state of Jharkhand. ==Demographics== At the 2001 India census, Sirka had a population of 20,170. Males constituted 53% of the population and females 47%. Sirka had an average literacy rate of 57%, lower than the national average of 59.5%: male literacy was 66% and female literacy 46%. In Sir... Found on http://en.wikipedia.org/wiki/Sirka