This is because at JBP TAT is less than TAT at Hbj. So WCR shifted the primary maintenance of all 4 rakes at Habibganj. So ek rake ab 4th day pe maintain hota h isiliye dono trains ki cleaniness degrade hui h. This is so far the worst decision of RSA by WCR. Instead agr RSA krna hi tha to Jbp-Indb SF se krte, composition bhi same h or base bhi. Or overnight ka TAT bhi bhot h JBP pe.