Dear Madam,
First make sure whether wife is exclusively entitled for such entire property then approach concerned local authorities and get it transferred.
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Section 8 of Hindu Succession Act:
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General rules of succession in the case of males.―The property of a male Hindu dying intestate
shall devolve according to the provisions of this Chapter:―
(a) firstly, upon the heirs, being the relatives specified in class I of the Schedule;
CLASS I
Son; daughter; widow; mother; son of a pre-deceased son; daughter of a pre-deceased son; son of a pre-deceased daughter; daughter of a pre-deceased daughter; widow of a pre-deceased son; son of a pre-deceased son of a pre-deceased son; daughter of a pre-deceased son of a pre-deceased son; widow of a pre-deceased son of a pre-deceased son.