The correct chronological order in which the battles were fought is option 3: 2, 4, 3, 1.

Let`s analyze each option to better understand the sequence of battles.

Option 1: 1, 2, 4, 1, 3

This option is incorrect as it repeats the battle at Plassey (battle 1) twice. The correct sequence should not have any repetition.

Option 2: 4, 2, 3, 1

This option is incorrect as it starts with the battle at Khanwa (battle 4), which happened after the battle at Tarain (battle 2). The correct sequence should start with the battle at Tarain.

Option 3: 2, 4, 3, 1

This option is the correct answer. It starts with the Battle of Tarain (battle 2), followed by the Battle of Khanwa (battle 4), then the Battle of Haldighati (battle 3), and finally ends with the Battle of Plassey (battle 1). This sequence is in chronological order.

Option 4: 4, 2, 1, 3

This option is incorrect as it ends with the battle