New Delhi/IBNS, May 6 -- India is gearing up for a nationwide security drill on Wednesday amid heightened tension with Pakistan in the wake of the Pahalgam terror attack that left 26 civilians, mostly Hindu tourists, dead.

The mock drills will be conducted in nearly 300 locations across the country, including the national capital and power plants, military bases, refineries, and hydroelectric dams.

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.

States have been asked to undertake crash blackout measures and provision for early camouflaging of vital plants/installations.

According to the document, blackouts create problems for advanced high-speed...