The old British definition of marla is often referred to as a big marla in India. One Pakistani Marla is equal to 9 square karm in Urdu and karoon in Punjabi language 9 Sarsahi is equal to one Marla. And 20 marlas in Lahore are equal to one kanal, while in Islamabad 16 marlas are equal to one kanal. Mathematician: Ehsan Ullah Saif MBA (finance) CAF (finance).