Sahana was a serial which was a sequel to a very successful Tamil movie “”. The serial was produced by the well-known producer and director late '. He was also the producer and director of the movie. The serial was telecasted on Jaya TV from 23 February 2003 onwards. The film originally dealt with extramarital affairs.
Balaganapathy, also known as JKB, is a renowned Carnatic musician. He has an unhappy and unsatisfying marriage and cheats on his wife Bhairavi, with another Carnatic musician Sindhamani a.k.a Sindhu ('). Bhairavi couldn't conceive a child to JKB, which is also the reason for their disturbed relationship.
In the end, Sindhu decides to leave from JKB's life. However, before leaving, she gives away her child which she bore from JKB to the couple. The plot of the serial starts few years down the line from where it had ended in the movie. Inpage 2007. The couple had stopped fighting with each other as they use to earlier, and their child too had grown up.
Kalki (Tamil: கல்கி) is a Tamil soap opera aired on Jaya TV. The show is produced by Avni Telemedia and also the story writer, creative head and producer.
The character of JKB was played by thespian ‘’ in the movie. However, he couldn't work on the serial due to his prior commitment to another show and thus the role was enacted by ‘’, a well-known name from the theatre and film circuit.
Due to the change in the male lead K. Balachander decided to change the female lead in order to avoid comparisons with the previous pair who shared a great chemistry in the movie. Also, since actress ' had disappeared from the public view, the makers had initially decided to kill her character. However, she contacted the makers herself after hearing about the serial through media sources and expressed her desire to work on the serial.