Forget AI; our RailFans are endowed with NI - Natural Intelligence

Improvement in track layout/geometry is a costly proposition and should be carried out if there are sufficient number of trains/rakes which can be operated at 130kmph speeds.
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Till date trains with non ac coaches are limited to 110kmph speed, and 130 kmph non ac LHB trains are just a few in number. (Surprisingly their avg speeds have not improved significantly after speed increase from 110-130kmph, and their avg. speeds are too less than Raj speeds on the routes). Probably IR is testing their performance, before makig it a policy decision.
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Scope for large scale upgradation of IR tracks to 130kmph shall take place once IR make it a policy to operate all non ac LHB trains at 130kmph.
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Track geometry which put speed restriction on trains is gift of British era. Since most of the tracks were laid pre independence era when much lower operating speeds were prevalent, the track geometry was not planned for higher speeds. Not much/enough has been done in 70 years of independence to improve the track geometry & train speeds in IR. Many Gauge converted routes with good pax. traffic potential like SBC-MAC, SBC-CBE etc are badly suffering due to poor track geometry.
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IR was busy with continuous struggle to raise funds (with minimal raise in pax fares) for absolutely essential capacity augmentation needed to carry the traffic offerings and funds for improving track geometry for increasing speed could not get due attention.