ITR 1 to ITR 4

This discussion seeks guidance on choosing the correct Income Tax Return (ITR) form for the financial year 2019-20. The individual's friend had employment income for five months before transitioning to a consultancy role. The core question is whether to use ITR 1 or ITR 4, and specifically, if both salary and professional fees can be declared as gross salary in ITR 4 (which is confirmed as not possible).