Iterator<Map.Entry<String, HashSet<String>>> itr1 = remarksMap.entrySet().iterator();
Iterator<String> itr2 = itr1.next().getValue().iterator();

            while (itr1.hasNext()) {

                System.out.println(itr1.next().getKey());

                while (itr2.hasNext()) {
                    System.out.println(itr2.next());

                }
            }