Simple hai..Agar ye sari trains apne apne slot pe hoti toh ye list itna bada hota hi Nahi..Delay hui tavi loop ho gayi..Same happens with 12393 too jab jyada delay hoti hai and Rajdhani Gang toot parti hai..So,I feel it's just a coincidence that itni trains kal raat mein delay thi..Har din Vaishali - GD etc itni delay Nahi hogi..
So,SK ko time pe chalane ke liye itne OTs ki jarurat pregi bhi Nahi..Main problem 12393 ko KCN-ALD deta hai,aur kuch Nahi.