Crs trail me or normal trial me difference h bhai, Jab regular run k liye trail krna hota h to vo normal train se karte h , jaisa ki upr kisi ne ddu-Jaj k liye bataya. Jabki CRS trail MPS k liye hota h(Jnh se bsb k beech(different sections bhi) CRS trail bhi 130 me hua tha jb dubbling hui thi )
In other words crs trial k speed ko peek speed k tarah samajh sakte h.