In 2007-08 our sale is 6300000/- so we are liable for deduct TDS in f y 08-09 ,In 08-09,09-10 our sale is less than 40 lakh so we are not liable to deduct tds in f y 09-10,10-11 respectively.But we deduct tds & submit as per our discretion.In 10-11 sale is less than 60 lakn so we are not liable to deduct tds in f y 11-12 But also we deduct tds & submit as per our discretion.in f y 11-12 our sale is less than 60 lakn & we are not liable to deduct tds & we not deduct tds in f y 12-13. A .O.send notice that we are liable to deduct tds are we are liable to deduct tds in f y 12-13