The "Cast India Expo", a leading trade fair in the foundry industry, takes place annually at the Biswa Bangla Mela Prangan in Kolkata. Hosted by India Exposition Mart Ltd., it provides a global platform for showcasing the latest technologies, services, and innovations in metal processing and foundry operations. The name "Cast" refers to the die casting process, a key method in the metal industry that is the focal point of the fair. It attracts exhibitors and visitors from various sectors, including automotive, construction, mechanical engineering, and energy. Key themes include advanced foundry technologies, innovations in casting, lightweight construction using new materials, and the specific lost-foam casting process, especially for manufacturing aluminum and iron cast parts in the automotive industry. These are complemented by exhibitions that present the latest products and services aimed at efficient production and sustainability. The Cast India Expo promotes economic development in Kolkata and positions both the city and India as important centers of the foundry industry and globally relevant procurement markets. It thereby supports the strengthening of local and national industry. The fair serves as a comprehensive industry meeting point for representatives from various sectors. The main visitors are professionals and decision-makers looking for new technologies, partnerships, and insights to optimize and modernize their production processes. The venue, Biswa Bangla Mela Prangan, is centrally located and, as a site for international events, offers excellent infrastructure, making it ideal for a successful fair. The Cast India Expo in Kolkata took place from Sunday, 09. February to Tuesday, 11. February 2025.