Mukesh Ambani-led Reliance Industries is reportedly set to build that 'world's largest zoo' in Jamnagar, Gujarat. The zoo will be open for public within two years. Being referred to as 'Greens Zoological, Rescue & Rehabilitation Kingdom' the zoo will be built on about 250 acres of land close to the company’s refinery project at Moti Khavdi near Jamnagar.