Women tea workers plucking tea leaves during a cloudy monsoon day at the British-era tea garden. Orange Valley Tea Garden spread over an area of 347.26 hectares (858.1 acres) at an altitude ranging from 3,500 to 6,000 feet (1,100 to 1,800 m) above the mean sea level, is a bio-organic garden producing mainly black tea at Darjeeling, West Bengal. India is the world's second-largest tea producer Country after China.