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79A- Acquisition of land by certain persons prohibited.
no person who or a family or a joint family which has an assured annual income of not less than rupees two lakhs]from sources other than agricultural lands shall be entitled to acquire any land whether as land owner, landlord, tenant or mortgagee with possession or otherwise or partly in one capacity and partly in another.
79B. Prohibition of holding agricultural land by certain persons
With effect on and from the date of commencement of the Amendment Act,except as otherwise provided in this Act
(a) no person other than a person cultivating land personally shall be
entitled to hold land;
As per the act you can not purchase agricultural land.
Your wife can not also purchase land in her name if she has the annual income as per 79/A