01 November 2008
All clauses covered in Section 80C/80CCC/80CCD in totality should not exceed Rs. 1,00,000 except for PPF. For PPF the contribution should not exceed Rs. 70,000. Except PPF any of the clause alone or together with other clauses can sum-up to Rs. 1,00,000.
03 November 2008
PPF is also included in the total limit u/s 80C. Only thing is PPF alone can not exceed Rs 70000 p.a because of the ceiling under that Act.