Explanation:

- Option 1: 1949

- This year is significant in Indian history, but not related to the start of AFSPA.

- Option 2: 1952

- This year is also unrelated to the AFSPA's commencement.

- Option 3: 1958

- AFSPA, or Armed Forces (Special Powers) Act, was indeed enacted in 1958. It was introduced to tackle unrest in the Northeastern states.

- Option 4: 1955

- This year does not correspond to the introduction of AFSPA.