 The cash or "kashu" coins were largely copper coins.They were struck in values of 1 cash, 4 cash and 8 cash.The exchange rate with the British Indian rupee was set at 1 British Indian rupee = 28 chakram, 8 cash; equivalently, 1 Tranvancore rupee = 15 annas, 8.63 pies of a British Indian rupee.