Explanation:

- Option 1: Battle of Buxar – Took place in 1764 between the East India Company and a coalition of Indian rulers. It was not related to the Portuguese.

- Option 2: Battle of Plassey – Fought in 1757 between the East India Company and the Nawab of Bengal. It marked the Company’s dominance in Bengal, not against the Portuguese.

- Option 3: Battle of Suvali – This battle occurred in 1612 near Surat, where the British East India Company defeated the Portuguese.

- Option 4: Battle of Chamkaur – This was fought in 1704 between the Sikh forces and the Mughal Empire, unrelated to the Portuguese or the British.