Section 80c is benefit to a tax payer if he/she invest upto Rs. 1,00,000/- in specified scheme i.e. VPF,PPF, NSC, ELSS, Primium to LIC policy etc. In that case taxpayer's responsibility is being calculated beyond Rs 1,00,000/- Excess income . Currently as per latest budget provision for general male indian citizen basic limit is Rs1,50,000/- For ladies it is Rs. 1,80,000/- and for Sr. Citizsen (Both Male & Female) it is Rs. 2,25,000/- Hence if they invested Rs. 1,00,000/-in specified scheme as quoted above then their tax liabilities will be counted beyond income Rs. 2,50,000/-,Rs2,80,000/-and Rs3,25,000/- respectively. I hope this is enough to decide course of action