One Trikamlal Vadilal (hereinafter referred to as the deceased) and his son Kantilal (referred to later as the accountable person) constituted a Hindu undivided family. They continued as members of a joint and undivided Hindu family until November 16, 1953 when an instrument styled 'release deed' was executed by and between the deceased and Kantilal. Considerable controversy between the parties turns on the interpretation of this instrument and it will therefore be necessary for us to refer to its terms bdefiy later. Suffice it to state for the present that, under this iµstrument, a sum of rupees one lakh out of the joint family properties was taken by the deceased in lieu of his share in the joint family properties and he relinquished his interest in the remaining properties of the joint family which were declared to belong to Kantilal as his sole and absolute properties and Kantilal also, in his turn, relinquished his interest in the amount of rupees one lakh given to the deceased and declared that the deceased was the sole and absolute owner of the said amount. Within two years from t11e date of this instrument, on June 3, 1955 the deceased died and on his death the question arose as to what was the estate duty chargeable on bis estate. Kantilal, who is the accountable person before ·us, filed a return showing the status of the deceased as individual and the principal value of the estate as Rs. 1,06, 724. The Assistant Controller was, however, of the view that the instrument ·dated November 16, 1953 operated as relinquishment by the deceased of his interesi in the joint properties in favour of Kantilal and that the consideration of rupees one lakh for which the one-half share of the deceased in the joint family properties at the date of the said instrument was Rs. 3,44,058 and there was, therefore, a disposition by the deceased in favour of a relative for partial consideration and it was, accordingly by reason of s. 27, sub-s. (1), liable to be treated as a gift for the purpose of s. 9, sub-s. (1), and. its v~Iue, viz., . Rs. 3,44,058 after deducting Rs. 1,06,724 (bemg the amount received by the deceased together with interest) was includible in the principal value of the estate of the