The Unlawful Activities (Prevention) Act, which provides for the more effective prevention of certain unlawful activities of individuals and associations dealing with terrorist activities, was first put into effect in India in the year:

Correct option is B

The correct answer is (b) 1967.
 The Unlawful Activities (Prevention) Act (UAPA) was first enacted in India in 1967. This law was designed to provide the authorities with the necessary legal framework to address activities that threaten the sovereignty and integrity of India, and it allows for the effective prevention of certain unlawful activities of individuals and associations. The UAPA has been amended several times to include provisions specifically aimed at combating terrorism.
 The Act has been utilized to deal with a wide range of issues related to national security, including countering terrorism. Over the years, amendments have broadened its scope, including significant changes in 2004, 2008, and 2019, which expanded its powers and the types of activities considered unlawful under the Act.
 Thus, the year when the Unlawful Activities (Prevention) Act first came into effect in India was 1967, making option (b) the correct answer.