My father is a farmer and family is completely dependent on agricultural income. Recently, my father received a notice from IT department for non filing of ITR . They sought explanation for some bank transactions above Rs.2lakhs and above Rs.10lakhs which was agricultural income and advance received for the sale of agricultural land located in a rural area respectively. But the deal was not materialized and my father returned the advance to the buyer. I have created efiling account. What is the satisfactory information to be provided in REMARKS section.