<P> A kattha (also spelled katha or cottah) is a unit of area mostly used for measuring land parts of in Eastern India, Nepal, and Bangladesh . A kattha is roughly one twentieth part of a bigha . </P> <P> This unit is still in use in much of Bangladesh and Eastern India, but the size varies significantly from place to place . In the Indian state of Bihar, one katha may vary from 750 ft2 to 2000 ft2 . Also this can be 32 by 30 feet in length and breadth respectively . </P>

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