(d) If the said Pranab Kumar Banerji, Sunab Kumar Banerji and Purnima Banerji shall predecease the settlor or if they or any one or more of them shall die after having survived the settlor then in the former case on and from the death of the settlor and in the latter case on and from the death of the survivor of the said Pranab Kumar Banerji, Sunab Kumar Banerji and Purnima Banerji, the Bank shall stand possessed of the trust fund and the income thereof UPON SUCH TRUSTS as the said Pranab Kumar Banerji by any deed or deed with or without power of revocation may appoint or by will or codicil shall at any time or times appoint AND IN DEFAULT of and so far as any such appointment shall not extend IN TRUST for the settlor 's nephew Manoj Kumar Banerji and the settlor 's niece Jhuni Banerji (now minors), if they are both alive, or such one of the two as may be alive and in default of both for the person or persons who under the law relating to intestate succession would on the death of the settlor have been entitled thereto, if the settlor had died possessed thereof and intestate.