Rajasekharan Parameswaran (also known as Marthandam Rajasekharan) is an Indian art director and self taught painter. He holds Guinness World Record (2008) for the Largest Easel painting. The easel is 56.5 feet tall and 31 feet wide and holds a 25 feet tall and 50 feet wide portrait of Elamkulam Namboodiripad. He worked as a statistics compiler, receptionist, medical representative and a teacher before becoming an artist. He debuted into films as assistant director with Adoor Gopalakrishnan's film Nizhalkuthu. His first film as art director was 2007-film Naalu Pennungal directed by Adoor, for which he also won a state award. Rajasekharan has been working as art director for his all films including, Oru Pennum Randaanum, Maestro's Memoirs(Documentary) , Dance of the Enchantress(Documentary), and Pinneyum. His realistic oil paintings were exhibited in most international art exhibitions including Oxford, London, Rotterdam, Kuala Lumbur etc.