Hello Lakshmi,
you can you attachBrowserEvent for vaidation of the input fields,
Like,
in view,
var oTextField = new sap.m.Input({
});
oTextField.attachBrowserEvent("keypress",oController.acceptOnlyNumerics);in Controller,
acceptOnlyNumerics:function(event){ var key_codes = [48,49,50,51,52,53,54,55,56,57]; if (!($.inArray(event.which, key_codes) >= 0)) { event.preventDefault(); } },