The correct option is B Rajendra I
For centuries, Indian merchants had been trading with various parts of South-East Asia and southern China, through the Straits of Malacca, which was held by the kingdom of Shrivijaya (modern day Indonesia). As the merchants of Shrivijaya began creating problems for the Indian merchants, the Indian merchants appealed to Rajendra Chola for help. He sent out a huge navy and defeated the Shrivijaya king.