In computing the total income of an assessee, being an individual or a Hindu undivided family, there shall be deducted, in accordance with and subject to the provisions of this section, the whole of the amount paid or deposited in the previous year, being the aggregate of the sums referred to in sub-section (2), as does not exceed one hundred and fifty thousand rupees.

How to claim deductions under section 80C
Go into Transactions >Deduction > 80C
Enter description and amount
Now check in computation (Forms >computation)
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