the fourth sumathi awards ceremony was celebrated at the sugathadasa indoor stadium on 28 november 2011, where 38 awards were given at the ceremony under 5 categories. a cash prize of rs 50,000/- was awarded to the best teledrama serial and a cash prize of rs 20,000/ was awarded to the best single episode teledrama. in the best award category, sumathi award for the best teledrama actor was won by asoka peiris and best teledrama actress was vasanthi chathurani. in popular award category, palitha silva won the most popular actor award, whereas yashoda wimaladharma won the most popular actress award. for the first time, the u.w.s sumathipala memorial award was given to two personalities, veteran actress denawaka hamine and music director hugo fernando. out of 31 awards given, teledramas "vilambheetha" and "durganthaya" won 4 awards each.