[3] Her play Manathile Oru Maru was directed by another famous writer of her time, Chitti (P. G. Sundararajan), with whom she shared a strong bond of friendship.

As Krithika started to write children's books apart from adult-centric stories, she began using her given name.

[3] Krithika was one of the first Indian authors to regularly publish children's books in English.

[3] Some of her important works in English are Movement in Stone, which looks at early Chola temples and the influence of Pallava art prior to the 9th and 10th centuries; and, Yoga for Living (1996), a contemporary look at the direction of India.

[3] Vasaveswaram is one of her works which focused on women and dealt with issues faced by them in the society.