The correct answer is: D. H. C. S. Bisht.
H. C. S. Bisht was the first person outside Indian Navy to become the Director General of Indian Coast Guard. He was appointed to the post in 2016 and served until 2019.
Krishna Chaudhary was the first Director General of Indian Coast Guard. He was appointed to the post in 1978 and served until 1981.
Rajendra Singh was the second Director General of Indian Coast Guard. He was appointed to the post in 1981 and served until 1985.
Prabhakaran Paleri was the third Director General of Indian Coast Guard. He was appointed to the post in 1985 and served until 1989.
H. C. S. Bisht was born in 1952 in Uttarakhand, India. He joined the Indian Coast Guard in 1974 and rose through the ranks to become the Director General in 2016. He is a recipient of the Padma Shri, India’s fourth highest civilian award.