Although he began work on the script while making Pallavi Anu Pallavi, Mouna Ragam did not begin production until after Idaya Kovil's release. Ratnam said that due to budgetary constraints it would have been easier to send the female lead to Bangalore instead of Delhi, but he did not want her to be able to easily return to her parents because she could not adjust to her husband.
Pallavi Anu Pallavi
Mouna Ragam