How to create New TaX Code

Dear Expert,

I am new in SAP so can U plz tell me each steps how to create a new tax code, i have gone through sdn forum but this is not sufficient

my co. requirement is

BED 10%, Cess 2%, HS E Cess 1%, VAT_D 3% (Input).

Kindly tell me every step I will gv U full points.

Thanks in Advance