[1] She is also the first female captain of the Indian Merchant Navy who also led the oil products tanker Suvarna Swarajya.

[2] She is well known for her rescue operation which she conducted successfully in June 2015 saving seven fishermen who were trapped for a week in a boat.

In the same year, she took charge as the captain of the oil tanker Suvarna Swarajya, measuring 21,827 gross tons.

[5][6] She was awarded the International Maritime Organization Award in November 2016 for her successful courageous rescue operation which she led from the front in June 2015 rescuing seven fishermen who were trapped at the Bay of Bengal in a sinking boat which capsized due to engine failure and breakdown of the boat's anchor as a result of a sea storm.

[10] Radhika also co-founded the International Women Seafarer's Foundation (IWSF) on 3 November 2017 along with fellow naval officers Suneeti Bala and Sharvani Mishra in Mumbai with the objective of motivating young women seafarers.