Mouni Roy (born 28 September 1985) is an Indian Film and television actress. She is Best known for playing Krishna Tulsi in Kyunki Saas Bhi Kabhi Bahu Thi in 2007, Sati in Devon Ke Dev…Mahadev and Shivaya/Shivangi Singh in Naagin.She has also played the role of Meera in Junoon – Aisi Nafrat Toh Kaisa Ishq. She was a contestant and finalist on Jhalak Dikhhla Jaa in 2014. She is a trained Kathak dancer. In 2018, she made her film debut opposite Akshay Kumar with the sports biopic Gold.