Starring Nikhil Siddhartha and Shwetha Basu Prasad’s movie "Kalvar King" is slated for a release on the event of Maha Sivarathri day February 12, 2010. The film is directed by L Suresh and produced by D S Rao and N Chandrasekhar Rao under Sai Krishna Productions banner in association with Sri Dhanalakshmi Productions. Music is done by Anil. Nikhil plays the role of a mimicry artist in the film. The film will be humorous and fun-filled entertainer.