Medical Allowance not getting Tax Exempted

Dear All,

We are paying Medical Allowance as 1250/- per month to the employees which we want to make it as Tax exempted.

Can anybody pls suggest on this.

We have done the following steps for this.

In Table Taxability of wage types: V_T7INT9 as

1182 Tax exemption is Limit Based Limit for Tax Exemption is Monthly 15.000,00 SMED INR 01.01.1999 31.12.9999

We are paying this from Infotype 0008.

Pls suggest...

Kind Regards

Nag