Answer : 4. "Vizhinjam Port"
Explanation :

Adani Group's Vizhinjam Port in Kerala is the first transshipment port in India to be approved by the Ministry of Shipping. It is the first fully developed deep water transshipment port in the country. Transshipment ports transfer goods between ships en route to their final destination. Vizhinjam's strategic location will attract large ships, which is part of the Maritime India Vision 2030 to boost manufacturing.