Mr.Rajeshkumar is the first Author to accomplish feat of writing more than 1000 Tamil Novels and more than 500 Short stories in Tamil literature world in the span of 50 years. He has written these novels and short stories in various leading Tamil magazines and dailies.

He is pivotal in making people to read books with ease and became starting point for reading to 2 generations in Tamilnadu. His stories were adapted for 4 Tamil movies (Kuttram 23, Chennaiyil Oru Naal 2, Agni Devi, Sanda Marutham) and were also adapted in Tele Serials till now in various Channels like Sun TV , Kalaignar TV ( Nearly 150 Stories), Vijay TV and DD Pothigai TV (More than 10 Short Stories and Serials). All India Radio (AIR) has dramatised many stories of the author during all these years. Few of his work have been translated in English and Malayalam in Printed Version.

He is also writing science based articles in a simple language to make it readable and understandable by layman and school students. He was answering queries of School students received in Q and A format from all over Tamilnadu through a Tamil magazine ( Puthiya Thalaimurai Kalvi ) for more than 2 years which was receiving wonderful welcome from students and teachers. Now, he has started to write about animal kingdom under the title WoW Ayindarivu. He is the first Tamil author to have an official Fan Club and through which he has supported several social issues and rendered service to society.