Uses in BANGLADESH
The following measure of land existed in Bangladesh:
A Katha (also spelled Cottah) is a unit of area approximately equal to 1/20th of a Bigha (720 ft² or 66.89 m²).
A Katha is approximately 720 square foot or 1/20 of a Bigha. It is still in use in much of Bangladesh and India.
1 Kattah (or Cottah) = 720 Sq Feet
20 Kattah (or Cottah) = 1 Bigha
3 Bighas = 1 Acre approx. (4800square yards)
And related with Gonda measure of land in Noakhali, Bangladesh:
4 Kora = 1 Gonda
20 Gonda = 1 Kani
80 Kora = 1 Kani
120 Decimal = 1 Kani
Read more about this topic: Bigha