Unexplained assets deemed income when unrecorded and unexplained, permitting tax authorities to treat them as assessable income. Where an assessee is found to own money, bullion, jewellery or other valuable articles not recorded in books of account for any source of income, and offers no explanation or an explanation deemed unsatisfactory by the Income-tax Officer, the unrecorded money and the value of such bullion, jewellery or valuable articles may be deemed to be the assessee's income for that financial year.