Devayani’s most significant relationship is with her husband, director Rajakumaran . Their love story began on film sets and eventually led to one of the most talked-about marriages in Kollywood.
: Facing stiff opposition from their families, the couple chose to marry in secret. They eloped and held a private ceremony at the Thiruthani Murugan Temple on April 9, 2001. While their families were searching for them in Tirupati, the couple had already completed their nuptials.
: Pairing with Sarath Kumar , she portrayed Nandhini, an educated woman who marries a man against her father's wishes and helps him achieve massive success through her support and resilience.