Agricultural land can be bought in Karnataka after fulfilling certain requirements.
The annual average income of the person including agricultural income should be less than Rs 2 lakhs.
The person must have had an agricultural land in his name before the year 1974. The person should be an agriculturist or an agricultural worker by profession.
As per Section 79A of the Karnataka Land Reforms Act 1961, the non-agricultural income of a purchaser who must be an agriculturist should not exceed Rs 2 lakhs per year. Sale of land granted to members of scheduled caste and tribe is not allowed. Also, sale of land granted by the government is not allowed for a period of 15 years. Agricultural land can be used only for agricultural purposes and no other purposes. Utilising agricultural land for any other purpose is prohibited by law. Agricultural land, which does not come under the Green Belt, can be converted for non-agricultural purposes like residential, commercial, industrial etc, subject to the approval of the Special Deputy Commissioner on payment of the prescribed fees and subject to certain conditions.
From your contents I am afraid that you may not become eligible to purchase the proposed agricultural land.