Rukmini was born and raised in Bangalore where she began her exploration of the arts with ballet classes. At 13, she was part of a school play that changed everything. She continued to work in theatre productions and train as an actor throughout school. She took the Trinity-Guildhall Drama exams for which she wrote her own dramatic pieces. After graduating from school, Rukmini did an intensive course in acting at Royal Academy of Dramatic Arts in London. Since graduating from RADA in 2015, Rukmini was part of The Spargel-Starlight Theatre Tour that travelled to Germany in 2017. Off stage, acting on the big screen, her first Kannada film Birbal released in 2018.