You can use any online income tax calculator to to calculate your taxable income for maximum tax exemption. If you are an employee you must fill form 16. You can also get tax benefits on your loans, saving schemes or any other investments schemes. You can get income tax under section 80C, section 24, 80cc or section 80D.
You can visit this post for tax deductions under 80C dedution. https://www.bajajfinserv.in/insights...er-section-80c