how is grading system better than marking system (debate ,, points for the topic with explanation)

Dear student,

We attend to thousands of queries and due to paucity of time, it sometimes becomes difficult to cater to all the queries.

Here are pointers on which you might want to elaborate:

1. grading system is better
2. especially for the students who get average or below average result
3. helps to camouflage the weak points
4. boosts up their confidence
5. source of encouragement
6. no fear of embarassment due to comparison of marks