You can click on tax breaks in ITR to see the various deductions that can be claimed on Quicko. There is an option to go into the section and add the amount of investment made under the particular deduction.
The Chapter VI-A deductions under tax breaks are: 80C, 80D, 80TTA/TTB, 80G, 80E, 80EE/EEA, 80CCD(1B), 80CCD(2), 80DD, 80GG, 80U, 80EEB, 80GGC. The majority deductions are covered on Quicko for a user.
You need to enter the investment amount, if any, under these sections. The preview on Quicko shows both- the amount you have entered, and the eligible amount of deduction the user gets as per IT rules. Your qualified amount is displayed on white in UI while the eligible amount in green which is the deduction amount taken into consideration while tax computation.
Ensure to have sufficient proofs of deductions to claim them.