Actress Raasi said her role in her upcoming movie 'Lanka' is very challenging and she did put a lot of effort for it. "This film is based on Telepathy concept and 'Lanka' is completely a different film from what I did in my past," said Raasi. She added that she did not apply make up for her role too. Raasi said cinematography and re-recording by music director Sricharan are assets of the film. 'Lanka' is releasing on April 21st.