Tata-BSP and Tata-Itwari will be converted to Exp for sure as it's more than 200km.
But one must depart Tata at afternoon, so as to fill the long gap between Ispat and Gitanjali.
Many people goes to Tata from Rou, CKP and many intermediate stations towards Tata in the morning, including many college students, whose classes/work is done by afternoon have no option to return before late evening.