1.Whether deduction for tax, duty etc. is allowable u/s. 43B of the Income Tax Act, 1961, on payment basis before incurring the liability to pay such amounts? The deduction for tax, duty etc. is allowable u/s. 43B of the Income Tax Act, 1961 on payment basis before incurring the liability to pay such amount. 2.Whether Modvat Credit available to the assessee as on the last day of the previous year amounts to payment of Central Excise duty u/s. 43B?