Re: Purani Bandooqen, Purani Talwaren
Dakus of the past used 12-bore guns and those guns were double barreled with each barrel holding one cartridge [kaartoos in urdu]…it was good for two rounds. often Dakus carried a cartridge belt around their waist. once the belt was empty, the gun was used as a laaThii 
we also called rolled copying-material as ‘kaartoos’ … when police raided those examination centres, they used to confiscate piles of ‘kaartooses’…