Krishna is a Tamil television serial and film actor. He was born in Chennai, and his parents are Mr. Raghunandan and Mrs. Nalini Raghunandan. He was married to an Indian actress, , who acted in famous Tamil films like Thiruda Thirudi,
, Arul, Thirupaachi, and Anandhapurathu Veedu. Their marriage was held on June 2012. They fell in love with each other while he was doing a villain role in the film, Anandhapurathu Veedu. Krishna was attracted to Chaya. She was from Bangalore and has acted in over 25 films through different languages.
Krishna became very famous for his acting in television serials in a protagonist roles. He acted in TV serials like Deivamagal, which earned him a lot of recognition, where he played the protagonist role of Prakash and in the suspense-thriller serial,
(2004-2005) as Somu, which was broadcasted in Sun TV. Chidambara Rahasiyam was very famous at that time. He acted like an innocent man who was baffled with the unusual incidents that's been happening around him and the relation with unknown facts in the story. The serial telecasted about 200 shows and his acting was very much appreciable in that serial.
He also acted in a good role in K. Balachander’s serial, called Sahana (in the year 2003) in which he bagged the role of Surya which telecasted on Jaya TV. He also got his fame for his supporting roles in the serials Idhaya Thirudan (2005) where he played as Deepika’s friend, in Azhagiya Asura as Sanjay, and in Eeram as Mr. X (2009) and Anandhapurathu Veedu in 2010 as Jeeva. Krishna got more fame by doing serials than film.
He received a positive response for doing his role in the on-going Deivamagal serial on Sun TV. He played the role of an antagonist, and his acting was appreciated by many audiences. Krishna mostly acted in negative and villain roles and few supportive roles. He was nominated for the best actor in Sun Kudumbam Awards for his role in the serial Deivamagal in which he acted as Krishna and bagged the Best Actor award for his role in
in the Mylapore Academy Awards.