Praba was born in 1987 at Sudheendra hospital in Ernakulam district to late Cr Prabhakaran Nair, a former mechanical engineer at Kalamassery HMT and Sheela Prabhakaran Nair. She completed her primary education from Saint Joseph Kalamassery and obtained Higher Secondary Education in humanities at Thevara Sacred Heart’s college Kochi. Her early influences included Mohiniyattam, Kuchipudi, Nadakam and Margam kali, received Diploma certificate in Bharatanatyam from Alliance University Bangalore. Krishna Praba got training in classical dance under the mentorship of Kalamandalam Sugandhi, her first dance teacher, at the age of 3.^{[citation needed]}

Praba received several awards at state level youth festival competition. She joined Manoj Guinness’s Cochin Navodaya troupe as a dancer. She later collaborated with Sajan Palluruthy and Prajodh for ‘comedy show’ a program on Asianet TV channel. After her debut in B Unnikrishnan’s movie, Krishna Praba grew in stature in the Malayalam movie industry by playing different characters in a series of films, most notably in Natholi Oru Cheriya Meenalla (2013) and Life of Josutty (2015). In 2014 she said that she felt privileged to be compared to Sukumari after many celebrities including Kavya Madhavan and Ramesh Pisharody pointed out the similarities between the character Krishna played in ‘She taxi’ and Sukumari’s character in Boeing Boeing.^[5] In 2017 Krishna Praba joined a number of award-winning students to enact Radha Madhavam, a dance drama directed by cine actress Gayathri.^[6]

Film

Television

• Nanmayude Nakshathrangal (telefilm) - Kairali TV
• Aakashadoothu (Serial) - Surya TV
• Twenty Twenty One (Serial) - Asianet
• Enkilum Ente Gopalakrishna (Serial) - Asianet
• Mukesh Kathakal (Serial) - Kairali TV
• Devi Mahatmyam (Serial) - Asianet
• Shubharathri (Talk show) - Jeevan TV, Anchor
• Tharotsavam (Reality Show) - Kairali TV, Participant

Jaycey Daniel Foundation Awards

• 2009: Jaycey Daniel Foundation Award for best female comedy actress