His first script was Aval Appadithan (1978), and was adapted by his college senior C. Rudhraiya from a short story to a feature-length film featuring Rajinikanth and Kamal Haasan.
He also went on to write scripts for successful films including the romantic dramas Panneer Pushpangal (1981), Kadalora Kavithaigal (1986) and Solla Thudikuthu Manasu (1988).
[3] Both the latter films were inspired by real-life characters and prompted Rajeshwar to head back to their respective villages and have an elongated recce, while writing the script.
[1] He subsequently ended up starting Kovilpatti Veeralakshmi with Simran in the lead role, though despite much pre-release publicity, the film released in 2003 and became a commercial failure.
[5] He returned in 2009 by directing Indira Vizha, featuring Srikanth, Namitha and Sruthi Marathe, though the film garnered poor reviews at release.