This train shared its rake with 18181/18182
Tatanagar–Chhapra Express before
COVID-19 pandemic in India, during which the train number of the Utsarg Express was 18191/18192. Later, it began sharing its rake with 15053/15054
Chhapra–Lucknow Junction Express. From November 2024, the Rake Sharing Arrangement (RSA) of the Utsarg Express has been modified, and it now shares its rake with the 15113/15114 Chhapra–Gomtinagar Express. The primary maintenance (PM) of the train has also shifted from Lucknow Junction (LJN) to Chhapra (CPR). ==Trivia==