Already Paschim has been destroyed via Chandigarh, Golden Temple already follows long route via Saharanpur which is slow also compared to Ambala Panipat Delhi Section.
Amritsar Dadar also follows jalebi route first via Dhuri Patiala and then via Agra, Bhopal, Bhusaval.
Better to have any new train between Amritsar Mumbai follow the main train route via Ambala Panipat Mathura Kota Ratlam.
With...
more... stoppages at Jalandhar City, Ludhiana, Sirhind, Rajpura, Ambala, Karnal, Panipat, New Delhi, Kota, Ratlam, Vadodara, Surat, Bandra.
Can easily cover distance in 25 hours with a proposed TT like -
ASR - 1215
JUC - 1320/25
LDH - 1415/25
SIR - 1503/05
RPJ - 1528/30
UMB- 1600/10
PNP - 1717/20
NDLS - 1850/1905
KOTA - 0015/25
RTM- 0355/0400
BRC - 0735/45
ST - 0920/25
BDTS - 1227/30
MMCT - 1315