Correct option is B
The correct answer is (b) 1967.
• Fourth General Election year: 1967
• First major decline of Congress dominance
• Emergence of coalition governments in states
• End of one-party dominance era
Information Booster:
• Congress lost power in 8 states
• Rise of Samyukta Vidhayak Dal governments
• Beginning of non-Congress politics
• Considered a political turning point
Additional Information:
• First General Election: 1951–52
• Fifth General Election: 1971
• Coalition politics expanded after 1967