Answer : 1. "Oman"
Explanation :

Sultan Haitham bin Tariq was on a state visit to India on December 16, 2023. The history of trade between India and Oman goes back several millennia and archaeological excavations in Oman have yielded evidence showing India-Oman trade during the Classical era around the 3rd century. B.C. Later, Oman established relations with the Indians through Gujarat and with Tamilakam along the Malabar coast. The Sultans of Oman and Zanzibar relied heavily on Kutchi moneylenders like Jairam Shivji. A large number of Kutchhi Bhatias migrated from Kutch to Muscat and from Muscat to Zanzibar.