Like Hamsafar a train with fully sleeper Called " Garib Safar Express should be started ...between.
Delhi-kanpur-Allahabad-Mugalsarai-patna- Howrah
Delhi-kanpur-allahabad-mugalsarai-Gaya-Howrah
Delhi-Kota-mumbai
Delhi-Bhopal-Mumbai
Delhi-Lucknow-Gorakhpur-Muzaffapur-Barauni-Guwahat...
more... i-Dibrugarh
Delhi-Lucknow-Gorakhpur-Muzaffapur-Barauni-Guwahat i-Silchar/Agartala
Delhi-Nagpur-Chennai
Delhi Nagpur Chennai -Bangalore
Delhi Kota Mumbai Madgaon Trivendrum.
Initially then on demand route ...
Like
Mumbai Nagpur Howrah
Howrah Chennai Bangalore