Basis:
/blog/post/50175321889: Through Coach detached from 3/4 Calcutta Mail ex ET to run via ET-JHS-AGC-TDL to get attached to 1/2 Kalka Mail to run via TDL-GZB-SRE-UMB.
5 Sep 1900: Diversion Via DLI-Karnal-UMB instead of SRE Route
1905: Diverted via AGC-MTJ-DLI, 1913: Diverted via BTI