Pic 1: Oldest Available record (found so far)
Pic 2: 33 Pathankot Delhi Kashmir Mail (1961)
Pic 3: 33 Jammu Delhi Mail (1984)
Service started as: DLI-ASR 26/27 Kashmir Mail with ASR-PTKC 621/22 Kashmir Mail Link (26-27 acted as link for Frontier Mail for DLI-PTKC via Karnal).