Not able to show all data fetch from sqlite db into Expandable list view

I am trying to read data from csv file and inserting into sqlite database.It's properly inserted.But when I am fetching data from sqlite & showing it into Expandable list view,it misses some data. Main Activity

   `databaseHelper = new DatabaseHelper(this);
    listDataHeader = new ArrayList<String>();
    childDataHashMap = new HashMap<String, List<ChildInfo>>();`
    // get the listview
    expListView = (ExpandableListView) findViewById(R.id.expandableListView);

    // ****************************Group data******************************//
    Cursor cursor = databaseHelper.getExpandableData();
    cursor.moveToFirst();       
    Log.i(TAG, "cursor.getCount()"+cursor.getCount());
    while (cursor.moveToNext()) {
        Log.d(TAG,"Category "+ cursor.getString(cursor  .getColumnIndex("categorydesc")));
        String categoryDescription = cursor.getString(cursor    .getColumnIndex("categorydesc"));
        int categoryId = cursor.getInt(cursor.getColumnIndex("CategoryId"));
        Log.i(TAG, "categoryDescription:"+categoryDescription);
        listDataHeader.add(categoryDescription);

        // ****************************Child data******************************//
        Cursor cursorChild = databaseHelper.fetchChildren(categoryId);
        List<ChildInfo> childList = new ArrayList<ChildInfo>();
        cursorChild.moveToFirst();
        while (cursorChild.moveToNext()) {
            String businessName = cursorChild.getString(cursorChild .getColumnIndex("BusinessName"));
            phoneNumber = cursorChild.getString(cursorChild.getColumnIndex("ph_Phone"));
            String landMark = cursorChild.getString(cursorChild.getColumnIndex("LandMark"));
            Log.w("", "Category Child " + businessName);
            ChildInfo childInfo = new ChildInfo(businessName, phoneNumber,landMark);
            childList.add(childInfo);
        }
        childDataHashMap.put(categoryDescription, childList);
    }
    cursor.close();
    listAdapter = new ExpandableListAdapterNew(this, listDataHeader,childDataHashMap);
    // setting list adapter
    expListView.setAdapter(listAdapter);

Database Helper

/** Fetch group. * @return the cursor */ public Cursor fetchGroup() { //String query = "SELECT DISTINCT CategoryId, categorydesc FROM Category "; String query = "SELECT DISTINCT CategoryId, categorydesc, FROM Category"; Cursor res = db.rawQuery(query, null); return res; }

/*** Gets the expandable data. * @return the expandable data */ public Cursor getExpandableData() { String query = "SELECT * FROM Category GROUP BY categorydesc"; return db.rawQuery(query, null); }

Logcat output Number of Records(10600): :: 11 MainAcitivity(10600): cursor.getCount()6 Category Hotels categoryDescription:Hotels Category Child GoodLuck Category Restaurants categoryDescription:Restaurants Category Child ByThe Way Category School categoryDescription:School Category Child Ornellas Category Stationary categoryDescription:Stationary Category Child Venus Category super shopee

Actual categories are 6 but it's showing only 5 of them.Please suggest me solution for it