Nongstoin: The two-day inter officer Badminton Championship 2017, organised by the West Khasi Hills District Badminton Association, concluded on Thursday at Nongstoin. The tournament saw participation from 10 departments in Nongstoin consisting of 29 participants. The Water Resources department, Nongstoin was declared as the winners while the runner’s up trophy was bagged by the Health & Family Welfare department.