Business tourisms sector, which is also known as MICE – Meetings, Incentives, Conferences and Exhibitions Sector - is a high value, high visibility niche tourism sector. It is one of the fastest growing sectors of tourism industry. As per International Congress and Convention Association, International Convention Industry is estimated to be US $ 280 billion. India ranks 31st globally with a share of US $ 4.8 billion, and a potential to be among the top 20 destinations in the world for hosting international conventions, exhibitions and events. Auto Expo is Asia's largest automotive show. From providing a platform to the Indian automotive industry for showcasing its expertise to becoming a sourcing hub for the global automobile industry to launch itself in the Indian market, Auto Expo has evolved significantly since its inception in 1985. In view of the growth potential of business tourism sector and its impact on nation’s economy, this research paper envisages to contribute to the understanding of MICE Tourism dynamics in Auto Expo with respect to the perceptions of four key players, viz., delegates visiting the event; exhibitors; venue management; and key organizers. The study profiles the delegates and measures their perceptions with respect to their purpose of visit, and satisfaction levels in respect of venue infrastructural facilities and variety of automobiles exhibited. The paper also studies the various categories of organizations exhibiting in Auto Expo; their purpose of participation; the degree to which their business outcomes have been met; and their satisfaction levels with respect to venue infrastructure. The paper also discusses the roles and perceptions of key organizers like ACMA, CII and SIAM in sponsoring the event. Finally, it also studies the strategies formulated by India Expo Mart (Venue) in marketing Auto Expo to major stakeholders, thereby providing a comprehensive understanding of MICE Tourism dynamics.