Gunn essayed the character of Chandni in the show. Neetha's entry in the show will air on February 24.
A source from the production team said that Gunn and the production house decided to go their separate ways due to creative differences. The two parties were unable to agree on how the character of Chandni was being written, read a statement.
Confirming her entry, Neetha said: "I will be joining the 'Naadaaniyaan' cast soon. I am an ardent follower of the show 'Naadaaniyaan' and I'm confident that I can walk that extra mile in Chandni's shoes."
"I've already had a few discussions with the producers on my character and I'm really excited with what we've come up with. I really hope that the fans will be supportive of my portrayal of Chandni," she added.