Civil Defence Drills | Centre Asks For Security Drills In States Amid J&K Tensions, First Since 1971 The Centre has asked several states to conduct security mock drills on Wednesday, May 7, for "effective civil defence in the event of a hostile attack" amid tensions between India and Pakistan following the Pahalgam terror attack on April 22. The timing of the Centre's order is crucial. The last such drill was conducted in 1971, the year in which India and Pakistan went to war on two fronts.