Calculation for income tax

Hi All,

I need final calculation of amount - 20,03,937/-

After deduction all i.e. HRA / u/s 10 / 80 C & D - Final amount came to 20,03,937/-

So when I am taking 30% on this is crossing 5L amount but when I check same on Income Tax Website it showing me amount of 4.26L

So, please share final calculation of 

Net Taxable Income - 20,03,937/-
Income Tax - 
Surcharge -
Education Cess - 
Secondary and higher education cess -