This shows that clearly more trains can be shifted to Anand Vihar Terminal from New Delhi. 20 hours lie over at at a Platform in a Terminal Station of Delhi is a Joke, considering many places like Dhanbad, Tatanagar, Asansol etc. are not even able to get slots for their dedicated trains to Delhi and Nizamuddin is choking with Terminating Trains.
I think New Delhi should be the Terminal of Premium Trains/Special Category Trains only (like Rajdhani, Shatabdi, Humsafar, Duronto, Jan Shatabdi, Sampark Kranti, Garib Rath etc.) and major chunk of Superfast Trains should be shifted to Anand Vihar Terminal and Nizamuddin.