to be frank, KCG is the most isolated terminal in the city compared to HYB/SC ...yes i do agree that the traffic is pretty less compared to SC/HYB interms of no.of trains but preference wise , people first preference is always SC and then HYB ...
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Especially early morning departure and late night arrivals at KCG is problematic because of lack of proper transport options from the major parts of the city like KPHB/BHEL/Lingampally which is not the case with SC/HYB...eventhough HYB is situated a bit far considering the proximity with SC,...
more... it has best road connectivity as its just beside the assembly with huge number of buses plying to and fro Nampally ...
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and yeah here comes the divisional politics that makes life hell for KCG as KCG falls under HYB division where as both SC and HYB stations falls under SC division ..considering the way SC division holds the poll position always in SCR, don't expect any drastic changes regarding the fate of KCG ..as long as things are in control, first preference will be always given to SC/HYB in SCR and then KCG ..