The duo began co-authoring stories when they were in college together, They have also written screenplays and dialogues for Tamil films and television serials. The movies
Kana Kandaen and
Ayan were based on their published novels and were scripted by Subha together with director
K. V. Anand. They co-authored the script for
Ko, a political thriller, and
Maatraan, a thriller with K.V. Anand. The script for
180, a bilingual movie in
Tamil and
Telugu, was co-authored by Subha with director Jayendra.
I (dialogues),
Anegan,
Yatchan,
Thani Oruvan were co-authored by Subha. Suresh and Balakrishnan run their own publishing company, Thanga Thaamarai Publications, which, in addition to their novels, brings out some non-fiction titles. ==Personal life==