Did he ask Kalu Pandey to cut nose of all Kirtipures? Wait, Kalu Pandey was already dead when Gorkhali army had conquered Kirtipur. So, did he find amrit to bring back Kaley to life and then sent him an email to cut all noses by 10% measured from philtrum? If this is not a reasonable explanation there must be something else. Possibly, PN brother made all Kirtipures stand in a line and cut their nose (whoever cut the line to get their nose cut first were cut twice) and gave them salt and pepper to put there and a shot of tequila too. As soon as the nose were cut, they were put in a sack and weighed later on - that's how we have an exact measure of weight of noses, and after rounding off, too.

After the battle, P N and co. uHauled to Kathmandu and lived happily ever after until a stupid jerk posted on Facebook.