Set during the grand festival devoted to Lord Ganesha, when huge idols of the elephant headed God are taken in procession to the beach for immersion, Mumbai Cha Raja tells the story of Rahul who has to handle the chaos in his life amidst the chaos of the colorful and vibrant festival.
Rahul is misunderstood and troubled adolescent who lives in the slums bordering the nouveau riche areas of Northern Mumbai. He lives with his alcoholic and violent father, hard working mother and younger brother Babu and spends time with his balloon seller and streetwise friend, Arbaaz.