return of income for the assessment year 1950-51. r96o On September 8, 1952, . the appellants submitted . theirE sl h uri h uri uri :-·;;- nswat h. 1a h. 1a 1a h return stating that for the year ending June 30, 1 4 , 9 9 v. corresponding to the assessment year 1949-50, they The rucome-ta:r were assessed under the Mysore Income Tax Act, that Officer, Mysore their income for the year ending June 30, 1950, was State assessable under the Indian Income Tax Act in the Shah]. assessment year 1951-52 and that they had no assessable income for the assessment year 1950-51. The Income Tax Officer passed on that return an order "no proceeding" and closed the assessment. For the assessment year 1951-52, the appellants submitted their return of income. In the books of account produced by the appellants an opening cash credit balance of Rs. 1,87,000 odd on July 1, 1949, was disclosed. The Income Tax Officer called upon the appellants to produce their books of account of previous years, but the books were not produced on the plea that the same were lost. In assessing the income of the appellants for the year of account 1949-50, the Income Tax Officer held that Rs. 1,37,000 out of the opening balance in the books of account dated July 1, 1949, represented. income from an undisclosed source. In appeal, the Appellate Assistant Commissioner observed that the appellants not having exercised their option under s. 2(ii) of the Indian Income Tax Act, and in the absence "of any system of accounting adopted" by theni, the only course open to the Income Tax Officer was to take the financial year ending March 31, 1950, as the previous year for the income from an undisclosed source, and directed the Income Tax Officer to consider this credit in the assessment for the year 1950-51 after giving opportunity to the appellants to explain the nature and source thereof. Before the appeal was disposed of by the Appellate Assistant Commissioner, the appellants had submitted a fresh return for the assessment year 1950. 51 purporting to do so under s. 22(3) of the Indian Income Tax Act. Pursuant to the direction of the Appellate Assistant Commissioner, the Income Tax Officer issued a notice of reassessment under s. 34 of the Income Tax Act and served it on October 15, 1957,