Concept:NATGRID is a national intelligence agency. The Indian government appoints its CEO from among senior civil servants.Explanation:The Central Government appointed a senior IAS officer as the new CEO of NATGRID.This officer belongs to the Nagaland cadre of the Indian Administrative Service.Among the given options, the officer is Piyush Goyal.Note: He is a bureaucrat, not the Union Minister of the same name.Answer:B. Piyush Goyal