Sachini come from the beautiful city of Kandy, the hill capital of Sri Lanka, and studied at the Hillwood College, Kandy. She started her modeling for designers outside school and in the year 2002 she became the best model in Kandy at a pageant. While in school she modeled for a TV commercial of the Elephant House soft drink called Ride. Also the 'Sthree' advertisement of the National Savings Bank (NSB) in 2002 became very popular. She won Miss Sri Lanka title & took part in the Miss World 2003 Contest held in China.