Income Tax Act contains many deductions and exceptions while computing Income Tax. Benefits of these deductions arise when certain investments are done in particular areas. So it becomes necessary to know about it.
Section 80 is primarily focussed on all types of deductions. In order to learn about them, here is the PDF file to download. Given below is the source of this document.
Hope it will help all!!
Also share it with your friends who are finding it difficult to remember.