Option a is the correct answer. Ralph Fitch (II) - He arrived in India in 1583. Ralph Fitch, a distinguished merchant hailing from London, stands among the pioneering British explorers and traders who ventured to Mesopotamia, the Persian Gulf, the Indian Ocean, as well as regions of South Asia and Southeast Asia. He came to India during the reign of Akbar. William Hawkins (I) - He arrived in India in 1608. He was the first ambassador of the East India Company to the Mughal Empire. He came during the reign of Jahangir. Nicholsa Downton (IV) - He was an English admiral who visited India in 1612. He was sent by the East India Company to negotiate a trade treaty with the Mughal Empire. He came to India during the reign of Jahangir. Sir Thomas Roe (III) - He arrived in India in 1615. He was the second ambassador of the East India Company to the Mughal Empire. He was instrumental in negotiating a trade treaty with the Mughal Empire, which allowed the East India Company to establish a permanent trading presence in India. He came to India during the reign of Jahangir.