The correct answer is (a) Punjabi Suba movement.
The Punjabi Suba movement was a political movement in the Indian state of Punjab that sought to create a Punjabi-speaking state. The movement began in the early 20th century and gained momentum in the 1950s. In 1966, the Indian government reorganized the state of Punjab on linguistic lines, creating a Punjabi-speaking state and a Hindi-speaking state.
The Punjabi Suba movement was a significant event in the history of Punjab. It led to the creation of a Punjabi-speaking state and helped to promote the Punjabi language and culture. The movement also had a significant impact on the politics of Punjab.
The other options are incorrect.
(b) The Khalistan movement was a political movement that sought to create an independent Sikh state called Khalistan. The movement began in the 1970s and gained momentum in the 1980s. In 1984, the Indian government launched Operation Blue Star, a military operation to flush out Sikh militants from the Golden Temple in Amritsar. The operation led to the deaths of hundreds of Sikhs, including Jarnail Singh Bhindranwale, the leader of the Khalistan movement. The Khalistan movement has since been largely dormant, but there are still some Sikh separatists who advocate for an independent Khalistan.
(c) The Naxalite movement is a communist revolutionary movement that began in the late 1960s in the Indian state of West Bengal. The movement has since spread to other parts of India, including Andhra Pradesh, Chhattisgarh, Jharkhand, and Bihar. The Naxalite movement is a significant security threat to the Indian government.
(d) The Quit India movement was a mass protest movement in India that began in August 1942. The movement was launched by the Indian National Congress (INC) and called for the British to quit India. The movement was successful in forcing the British to withdraw from India in 1947.