The Old Main Mumbai Matka is an integral part of Mumbai's gambling history, tracing its roots back to the 1960s when it emerged as a popular form of lottery-based betting. Originally introduced by Ratan Khatri, who is often referred to as the "Matka King," this game quickly gained traction among Mumbai’s working-class population, Old main mumbai matka providing an easy way to earn money through sheer luck and numerical predictions.