Answer:
b. Indian troops fought against the British because they felt poorly treated. The Sepoy Rebellion of 1857-1858 was an uprising of Indian soldiers in the British East India Company's army, who were unhappy with their treatment and the actions of the British. This rebellion disproved the claims made in Robert Clive's letter, as it showed that Indian troops did not feel well-treated by the British and were willing to fight against them as a result.