The Main Auditorium ground venue is a large and impressive event space within the Rainbow towers hotel. It offers a generous area of 1522 square meters, making it suitable for hosting various types of events. The seating capacities for different arrangements are as follows: 250 (U-shape), 300 (Classroom), 500 (Cinema), 250 (Boardroom), 400 (Cocktail), and 200 (Banquet). With its ample space and flexible seating options, the Main Auditorium ground venue is well-equipped to accommodate large-scale conferences, presentations, receptions, and formal dinners.