A Central Industrial Security Force personnel posted in Kolkata has died of Coronavirus infection, taking the virus death count in the force to three, officials said on Tuesday.This is the sixth death in the Central Armed Police Forces (CAPFs) or paramilitary forces, under the command of the Union home ministry, due to COVID-19 with two casualties in the Border Security Force and one in the Central Reserve Police Force.The Assistant Sub Inspector, 55, posted at the Garden Reach Shipbuilders and Engineers Limited (GRSEL) security unit in Kolkata died on Monday, a senior official said.