Sandhya -Her real name is Revathy.She was born in Kerala on September 27th, 1989, but brought up in Chennai, Tamilnadu. Her father was transferred to Chennai when she was two years old. Her father is a bank employee, while her mother is a beautician. Her brother is studying in SRM College, Chennai. After her superb performance in her first movie, "Kadhal", opposite Bharath, she was often referred to as Kutty Kajol, a famous Bollywood actress.
Sandhya was an ordinary school going shy girl until she starred in the critically acclaimed Tamil love story Kaadhal. She was studying in vidyodaya school and her father used to drop her and pick her up at school daily. It was on one such day that she was spotted by director film director Balaji Sakthivel and was offered the female lead role in Kaadhal. She planned to do the Visual Communications course after her plus two. However, due to her rising fame, especially after the super-hit Dishyum, her second Tamil film, she had to discontinue her studies before even passing her 10th standard.