1) Section 79 (A and (B) of the Karnataka land reforms Act prohibits a non agriculturist from buying the farm land in Karnataka.
2) Section 79(A), inserted by way of an amendment in 1974, bars individuals with an annual income of Rs 2 lakh and above from non-agriculture sources from buying farmland. The law empowers the revenue authorities to declare such purchase "null & void" and take away the ownership of the land.
3) Section 79B prohibits holding of farmland by entities such as educational, religious or charitable institutions or a society, trust, or a company.
4) Section 109 of the same Act empowers the revenue authorities to allow buying a piece of farmland for purposes like running an educational institution or to set up an industry . But the entity concerned must first apply to the Deputy Commissioner asking for exemption
5) you cannot buy land from the government