Company engaged in real estate business

Hello Sir, My assesses has started an private limited company engaged in real estate business. They purchased the big property on name of director and sell it to people small portion on the name of company. On complete payment they done an registry directly from director. Payment done in cash. Director purchased the property from farmer on cash which violates the section 40A(3). Please tell me how I can done the accounting and paid income tax in this case. Company started with 100000 capital.