The CBI arrests Delhi government's Principal Secretary Rajendra Kumar in a Rs 50-crore corruption case, triggering another political flashpoint between the government and the Centre; A top Bangladesh security officer tells NDTV the terrorists who attacked an upmarket Dhaka cafe on Friday "treated hostages like cockroaches", shot them and mutilated them with machetes; 19 new ministers to be inducted in the Prime Minister's Cabinet expansion; and more on news wrap of the day.