// managewifi : function(success, fail) {
// 		cordova.exec(success, fail, 'WifiInfoPlugin', 'managewifi', [] );
// }

console.log('suman');

managewifi : function(success, fail) {
		cordova.exec(success, fail, 'WifiInfoPlugin', 'managewifi', [] );
}

Update WifiInfoPlugin.js