Lalbaugcha Raja is actually the name of Ganesha idol of Lalbaugcha Raja Sarvajanik Ganeshotsav Mandal. The mandal is located in Lalbaug, Mumbai. This Ganesha idol is kept for public display for Eleven days thereafter it is immersed on the auspicious day of Anant Chaturdashi. It attracts millions of devotees during the Ganesh Chaturthi festival. According to the popular belief, this Idol of Lord Ganesha is Navsacha Ganpati (which means the fulfiller of all wishes).
Lalbaugcha Raja Sarvajanik Ganeshotsav Mandal was founded in 1934 due to the consistent efforts and support of the then local Councillor-Late Shri. Kuwarji Jethabhai Shah, Dr. V. B. Korgaonkar, Shri. Nakhawa Kokam Mama, Bhausaheb Shinde, Dr. U. A. Rao and the landlord Rajabai Tayyabal. As fulfillment of their wish, the fisherman and the traders established the Ganesh Idol on 12 September 1934. The idol was dressed in the customary fashion of fisherman. Since that day onwards, this Lord Ganesh has become popular as it fulfills the wishes of devotees.