D Suresh and A N Balakrishnan are together known as Subha. They write screenplay in Tamil. They also pen stories and detective novels. Both of them commenced co-authoring stories when they were studying in college. Ko, Yatchan, Ayan, and
Thani Oruvan are the films for which they have written the story.
The duo shared a good writing partnership for over 20 years They have a great passion for the Tamil language. Their first story Visithira Uravuhal won first prize in Kalki magazine. They write both fiction and non-fiction. They tried their luck in army stories too and they are considered the first in the same genre.