No, Sughna is Vibha Anand - go to the Balika Vadhu page on IF, and then see the cast there.Originally posted by: Vibhishna
The actress who plays the character Sughna is named Sriti Jha. I thought it might be the same person thought she looks so different from what I saw her in Jyoti.
http://en.wikipedia.org/wiki/Sriti_Jha
Wiki is normally pretty unreliable for such factoids.