The correct option is D Dinesh Gupta
Dr. Dinesh Gupta, an officer of the 1983 UPSC batch, has been appointed as the new Director General (DG) of the Geological Survey of India (GSI). He took over from N Kutumba Rao to become the 47th DG of the GSI. Gupta is an expert in mineral exploration and responsibility has been given to him to steer GSI in this field.