Seems like similar incident to 2023 odisha train collision..
Train changing its way from Main line and entering loop line and crashed with goods train. seems some signaling issue or may be human error in this as well
A housekeeping staff told TNIE that is no guarantee that the blankets are washed twice a month. In most cases, we would give the blankets for washing only if we noticed a foul smell, wetness, vomit, etc.
TIRUCHY: How often does the Indian Railways wash the blankets provided to passengers paying for AC coach travel? In an RTI response to TNIE, the Ministry of Rai