S. 271(1)(c) : Penalty–Concealment-Cancellation of registration-Not specifying specific charge whether concealment of income or inaccurate particulars of income-Levy of penalty is held to be not justified-Disallowance of part expenses–Expenditure on foreign tour – Foreign travel expenses of trustees-Credit card expenses–Payment to relatives- Levy of penalty is held to be justified. [S.10(23C)(vi), 11, 12 , 13(1)(c)]