Option 1: 4-1-3-2

Option 2: 4-3-1-2

Option 3: 3-1-2-4

Option 4: 1-2-4-3

The correct chronological order of the events mentioned in the question is 4-3-1-2, which is Option 2.

The Peasant Movement in Kheda occurred first, followed by the Peasant Movement in Bardoli. These movements were led by prominent leaders like Vallabhbhai Patel to protest against the oppressive practices of British landlords and demand fair treatment for the farmers in Gujarat.

The Gandhi-Irwin Pact, which was an agreement between Mahatma Gandhi and Lord Irwin, the Viceroy of India, to release political prisoners and allow civil disobedience against British rule, took place after the peasant movements.

Lastly, the Second Round Table Conference was held in London to discuss constitutional reforms for India. This event happened after the Gandhi-Irwin Pact.

It is important to note that the correct chronological order of historical events is an essential aspect of understanding the sequence of events and their impact on the overall historical context.