The lyrical style, rich imagery, and emotional profundity of Radhakrishnan's poetry set it apart. He has written multiple collections of poetry in his native Malayalam, and both readers and reviewers have praised and hailed his writings. "Mukhangal" (Faces), "Ninte Ormakalil" (In Your Memories), and "Mazhathullikal" (Raindrops) are a few of his well-known poetry volumes.

N. Radhakrishnan has contributed to the Malayalam literary conversation in addition to writing poetry, essays, and literary criticism. For his contributions to Malayalam literature, he has won a number of accolades, including the Vayalar Award, the Kerala Sahitya Akademi Award, and the Kendra Sahitya Akademi Award.