Travancore alavupalaka {Chuckram Board} used in 18 th Century AD.
Capacity of 400 Chuckram coins equal 14 Rupee of India British {28 1/2 Chuckam equal to one British Rupee.}
Chuckram board — a small, square, wooden plate with holes the exact size and depth of a chuckram, drilled in regular rows on its surface . . . a small handful of coins is thrown on the board, and it is shaken gently from side to side, so as to cause a single chuckram to fall into each cavity, and the surplus, if any, is swept off the board