KARACHI: Interim Inspector General (IG) Sindh, Ghulam Haider Jamali has said that efforts are underway to improve security situation of Karachi, ARY News reported. - See more at: http://arynews.tv/en/crime-rate-decreased-in-karachi-says-ghulam-haider-jamali/#sthash.kkGDGxNY.dpuf