PNBE tab bhi Howrah-Delhi main line ka important station tha jab ER mein tha. Patna Rajdhani, Sanghamitra, SK, Janta, Kurla jaisi trains sab ER ke jamane se hai. PNBE is under DNR Division right from EIR era. Plz don't say DNR is a colony of Patna. And ECR's HQ is Hajipur. Again you made a trash comment dude.