GUWAHATI, May 20: The two-day long placement drive organized by the Assam Down Town University at its Panikhaiti campus was concluded following a closing ceremony on Sunday. According to the release, as many as 72 companies from various dominant sectors attended the drive where a footfall of around 3,000 candidates was witnessed. The occasion was graced by the Commerce and Industry Minister Chandra Mohan Patowary as chief guest.