To live comfortably in Mumbai, the average salary needed ranges from Rs 40,000 to Rs 60,000 per month, depending on the standard of living. This includes expenses related to rent, utilities, transportation, food, and other daily needs. It's important to note that the cost of living can vary based on personal preferences, lifestyle choices, and individual circumstances. Budgeting wisely and making informed choices can help ensure a comfortable living experience in Mumbai.