Deduction under section 35AC: literacy One Teacher Schools project extended and eligible schools and cost ceiling revised. The Central Government specifies Friends of the Tribal Society's One Teacher Schools literacy scheme as an eligible project for a further three years commencing 2007-08 and, on the National Committee's recommendation, amends the prior notification to increase the number of schools covered and to raise the project cost ceiling that determines the maximum amount of cost allowable as deduction under the Explanation to the Income-tax Act.