GUWAHATI, March 24: Greater Gauhati Kerala Samajam (GGKS) is ging to hold Dwani, a festival of award-winning Malayalam films on March 30 and 31 at Gauri Sadan in Guwahati free of cost. The films to be screened, acording to Kerala Samajam, are Philips and Money Pen, Zachariayude Garbhinikal (Pregnt Ladies of Zacharia), Artist and Drishyam, etc.