दौड़ती है हिमालय तट से सागर, हमसफ़र हर राह पर, हवाई जहाज़ों को त्याग कर, करो अक्सर, भारतीय रेल में सफर. - Arpit P

It is railway board's decision not SR's or SWR's . The operational difficulty through the ghat section is high . Moreover I read in a blog that in ghat section no crossing of the trains is allowed. So trains have to wait at Subramanya road or at Hassan if some other train is traversing through the ghats

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