A relief train from Ishwardi joined the salvage operation around 6:00am.
The authorities concerned have suspended the locomaster of oil tanker train, Anisur Rahman in this connection.
A five-member probe body was formed to look into the incident. The committee was asked to submit its report within three working days.
Following the accident oil from three tankers out of four, each containing 42 tonnes of diesel, spilled. No causality was reported.