S. 17 : Wealth tax escaping assessment-Non-supply of reasons-Off-shore irrevocable discretionary trusts-Reassessment proceedings null and void owing to non-supply to the assessee of the reasons recorded-Off shore trust assets including immovable property in Singapore and London were not vested in the assessee and such assets held through offshore corporate vehicles are exigible only in the hands of such vehicles and not in the hands of the assessee-Deposits in offshore banks do not constitute an asset and hence are excluded from chargeability to tax under Wealth-tax Act-ITSC commission order is not binding on wealth tax proceedings. [S. 2(ea), 2(m)]