Bir Tikendrajit Singh, who was executed by the British, is considered a hero of Manipur’s:

The other options are incorrect because:

• b) Civil rights movement: This was a movement in the United States in the 20th century to fight for equal rights for African Americans. Bir Tikendrajit Singh was not involved in this movement.
• c) Labor movement: This was a movement in the 19th and 20th centuries to improve the working conditions of workers. Bir Tikendrajit Singh was not involved in this movement.
• d) Social reform efforts: This is a general term that could refer to a variety of different movements. Bir Tikendrajit Singh was involved in some social reform efforts, but his main focus was on the fight for independence.