How to cess calculation? very urget

Dear sir,

TOBACCO INVOICE TAMILNADU

TAXABLE AMOUNT : 4365.50    HSN CODE 24022030

CGST                     :   611.17  14%

SGST                     :   611.17   14%

CESS                    :    218.28    5% CESS

CESS                    : 29897.00    (how to arrive this amount ) near mention this amount 2076

(Specify)

  INVOICE TOTAL  :  35700.52

PLS TELL ME HOW TO CALCULATION THIS INVOICE?