The correct answer is Option 4-Battle of Hydaspes

The Battle of Hydaspes was fought between Alexander the Great and Porus, the ruler of the Paurava kingdom, in 326 BC. The battle took place on the banks of the Hydaspes River (now the Jhelum River) in Punjab, India. Alexander won the battle, but Porus was allowed to continue ruling his kingdom as a vassal of Alexander.

Other options:

The Battle of Plassey was fought in 1757 between the British East India Company and the Nawab of Bengal. The British won the battle, and it marked the beginning of British rule in India.

The Battle of Sakala was fought in 326 BC between Alexander the Great and the forces of the Mallians. The battle was a hard-fought victory for Alexander, and it allowed him to conquer the Punjab region of India.

The Battle of Kalinga was fought in 261 BC between the Mauryan emperor Ashoka and the Kalinga kingdom. The battle was a decisive victory for Ashoka, but it was also a very bloody battle that led Ashoka to renounce violence.