Exp) Option a is the correct answer.

Statement 1 is correct: The Punjab Suba Movement was a political agitation demanding a separate state of Punjab for the Punjabi speaking people. It was primarily led by the Shiromani Akali Dal under the leadership of Master Tara Singh and Sant Fateh Singh.

Statement 2 is incorrect: Due to the ongoing agitation for a separate state, the Central Government had appointed a three-member commission chaired by S.R. Das in 1961 to address Sikh grievances. Akali Dal objected to the composition as well as scope of the Commission. It did not present its case to the Commission. Das Commission had rejected the idea of a separate state for the Punjabi speaking population. The Commission observed that Sikhs in Punjab had been adequately represented in the Government and various other public services. The Commission also held that no case of discrimination against Sikhs in Punjab has been made out.

Statement 3 is incorrect: The division of Punjab came into effect in November 1966 during the Prime Ministership of Indira Gandhi with the passage of Punjab Reorganization Act, 196The Act created two new states – Punjab and Haryana. The hill areas were merged with the then Union Territory of Himachal Pradesh. The city of Chandigarh became a temporary Union Territory to serve as the provisional capital of both Punjab and Haryana.