I HAVE FILED INCOME TAX RETURN FOR A FARMER. HIS TOTAL AGRICULTURAL INCOME MORE THAN 2173491/- DECLARED LESS EXPENDITURE 1661871/- INCOME DECLARED RS. 511620/- ACTUALLY I HAVE FILED INCOME FULLY EXEMPT U/S 10(1) BUT I HAVE RECEIVED NOTICE U/S 154 RECTIFICATION AND DEMAND DUE OF RS. 2420/- LESS AFTER REBATE OF 12500/- TOTAL TAX LIABLITY 14920/-. ACTUALLY BY MISTAKENLY FILED ABOVE 5 LAKHS SHALL WE FILE REVISED RETURN OF INCOME OR FILE RECTIFICATION REQUEST U/S 154.