Lalbaugcha Raja is the ‘sarvajanik’ Lord Ganesha idol kept at Lalbaug, a locality in Mumbai. The idol is placed for darshan to the devotees throughout the 10-day festival and immersed in the Arabian Sea at Girgaon Chowpatty. To understand the significance of the Koli Samaj and local fishermen, one has to explore the history of Lalbaugcha Raja.