Hi Mahesh,
var ifText = sap.ui.getCore().byId(C_FRAG_IF).getValue();
what is C_FRAG_IF ? Did you declare id into a variabe?
Similarly for PARTY_NAME, MOD_FILTER, PARTY_GROUP etc., why these are no enclosed in ""? Did you declare these as variables for your ids?
Regards,
Sai Vellanki.