This is not possible sir
Aburoad - Marwar - Jodhpur - Merta - Bikaner
Between Abu Road - Marwar jn adi rajdhani and ac sf are running
between Jodhpur - merta we have 3 trains lhb
Between...
more... merta- bikaner we have 2 trains lhb
now only part left is jodhpur - marwar
but earlier we had lhb special between chennai and jodhpur which took same route so this reason is baseless.