Meaning of Stb in Urdu

State Security (Czech: Státní bezpečnost, Slovak: Štátna bezpečnosť) or StB / ŠtB, was a plainclothes secret (political) police force in former Czechoslovakia from 1945 to its dissolution in 1990. Serving as an intelligence and counter-intelligence agency, it dealt with any activity that could possibly be considered anti-state or western influence.