Consider the following events:
1. Fourth general elections in India
2. Formation of Haryana State
3. Mysore named as Karnataka State
4. Meghalaya and Tripura become full States
Which one of the following is the correct chronological order of the above?

The correct answer is A. 2-1-4-3.
Chronological Timeline
1.Formation of Haryana State (Event 2): Carved out from the state of Punjab on November 1, 1966, under the Punjab Reorganisation Act, 1966.

2.Fourth general elections in India (Event 1): Converted into a major political milestone when polling took place across the country in February 1967.

3.Meghalaya and Tripura become full States (Event 4): Granted official statehood on January 21, 1972, under the North-Eastern Areas (Reorganisation) Act, 1971.

4.Mysore named as Karnataka State (Event 3): Officially renamed on November 1, 1973, via the Mysore State (Alteration of Name) Act, 1973.

Therefore, tracing the years from oldest to most recent gives the exact sequence of 1966 ➔ 1967 ➔ 1972 ➔ 1973, which perfectly aligns with option code 2-1-4-3.