Sonepur-Gorakhpur passenger train was passing through the Chamua halt when the ultras triggered a powerful bomb causing damage to railway tracks.
Thirteen people, including four children, were on Friday killed and three others seriously injured when a local train rammed into a jeep at an unmanned railway crossing in Kothipar area in Maharajgunj.
The terrorists wanted to target Fateh, a Canadian national who often visits India, to create a sensation across the world.
Senior Janata Dal-United leader Nitish Kumar on Sunday said he had parted ways with Rashtriya Janata Dal supremo Lalu Prasad 20 years ago due to differences on certain issues but this time he will stick together to keep "resurgent" BJP away from power in Bihar.