The Ministry of Home Affairs has directed states to conduct mock drills aimed at assessing civil defence readiness in the event of a hostile attack. The last such drill was conducted in the run-up to the 1971 war between India and Pakistan. The drill being held on 7th May is part of a national effort to keep communities prepared, informed, and resilient. But what is a mock drill and what to expect during the drill. Here is all you need to know.