Customs exemptions cost Rs 92,561 croreREVENUE FORGONETeam BS / New Delhi March 01, 2006The amount forgone on corporate tax is Rs 57,852 crore.The revenue forgone during 2004-05 was a whopping Rs 1,58,661 crore, of which the duty forgone on account of customs exemptions alone was Rs 92,561 crore. Duty forgone on account of excise exemptions was Rs 30,449 crore.This was stated in a statement on revenue forgone, which was included for the first time in the Budget.