After the exodus of 21 families to IS-controlled areas, we did lots of things. How many went after that? We have formed one of the best ATS [squads] in the country and it is doing a great job behind the scenes. That’s why there is not much concern. But we cannot be complacent in mounting our surveillance against suspected sleeper cells activities of terror outfits.

Islamic sleeper cells exist in Kerala... According to [intelligence] inputs, Kerala is a recruiting ground for Islamic State as the people here are educated and the IS requires professionals like engineers and doctors. But we have dealt with it in a systematic way.