Who led the Battle of Plassey on behalf of the British East India Company?

Robert Clive 

The correct answer is Option 3- Robert Clive

Robert Clive led the Battle of Plassey on behalf of the British East India Company. The battle was fought on June 23, 1757, and resulted in a decisive victory for the British. Clive's victory at Plassey is considered to be a major turning point in Indian history, as it marked the beginning of British colonial rule in India.

The other options are incorrect:

• Charles Stuart was a king of England and Scotland who ruled from 1625 to 1649.
• Warren Hastings was the first Governor-General of India and served from 1773 to 1785.
• James Lancaster was an English merchant and explorer who founded the first English trading post in India in 1600.