The Prevention of Defacement of Property Act, 1987 is a state-level law (e.g., Bihar Act No. 5 of 1987) designed to prohibit unauthorized markings—such as graffiti, posters, slogans, or paint—on public or private properties visible to the public. It defines “defacement” broadly and empowers authorities to arrest offenders (cognizable offence) and impose penalties of up to six months’ imprisonment and/or fines up to ₹1,000. Additionally, the state government holds authority to remove such defacements and override conflicting laws