This was pointed out in a report for the years 2016 issued by the Pakistan Rangers, Sindh, here on Thursday.
It may be recalled that the Karachi Operation was initiated in the year 2013.
The report pointed out that there was a reduction of 72 percent incidents of terrorism. These were 57 in the year 2013 while 66 in 2014 while 18 in 2015 and 16 in the current year.
The decline in target killing was to the tune of 91 percent and 93 in cases of extortion. Kidnapping cases reduced by 86 percent.
Weapons recovered included 10 rocket launchers, 50 heavy/light machine guns and 358 Kalashinkovs/sub machine guns.
As many as 90 shot guns, 112 repeaters, 315 rifles and 910 pistols/revolvers.
As many as 100 grenades/crackers and 12 kg of explosive material also recovered.
The report further pointed out that from January 1 this year todate 2,847 arrests were made in 1,992 operations in the metropolis. These included 360 alleged terrorists, 446 target killers.