Explanation:

- Option 1: Swaheed Dweep - This option is not correct. The name Swaheed Dweep was not involved in the renaming of any island in December 2018.

- Option 2: Swaraj Dweep - In December 2018, Havelock Island was indeed renamed as Swaraj Dweep. This was done to honor the historical significance related to India’s freedom struggle.

- Option 3: Netaji Subhash Bose Island - This name is associated with Ross Island, which was renamed in honor of the freedom fighter Netaji Subhash Chandra Bose.

- Option 4: Veer Savarkar Island - This name does not relate to Havelock Island's renaming. It doesn’t apply to any renaming event in December 2018.

.