Mumbai (Maharashtra) [India], October 14 (ANI): After 'The Last Color', chef-turned-filmmaker Vikas Khanna is coming up with a new documentary titled 'Barefoot Empress', which is based on the life of Karthyayani Amma, who shot to fame in 2018 after she scored 98 marks out of 100, bagging the first rank in the Aksharalaksham literacy examination conducted by Kerala State Literacy Mission Authority (KSLMA).