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?

Arranging the events in correct chronological order: 1. Formation of Haryana State: Haryana was carved out of Punjab and became a separate state on November 1, 1966. 2. Fourth general elections in India: Held in February 1967. 3. Meghalaya and Tripura become full States: Meghalaya (earlier an autonomous state within Assam) and Tripura (earlier a Union Territory) became full-fledged states on January 21, 1972, under the North-Eastern Areas (Reorganisation) Act, 1971. 4. Mysore named as Karnataka State: The state of Mysore was officially renamed as Karnataka on November 1, 1973. Therefore, the correct chronological sequence is Formation of Haryana (2) → Fourth general elections (1) → Meghalaya/Tripura full states (4) → Mysore named Karnataka (3). This corresponds to the sequence 2-1-4-3.