the audience of suggested intermediate stations may not b interested to travel in VB.
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Bus/Roadways will always have different set of audience to that of Railways due to flexibility of time origination and frequency irrespective of fare comparison to that of railways. there are many more other factors too.
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AC...
more... is considered a luxury for India especially for countryside, town areas, etc. for people even who are having sufficient money may avoid travelling in AC bcoz they have seeing difficult days. They have shed Blood, sweat, and tears to earn money. Hence saving money for future. No1 has seen tomorrow.
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For this mindset to change, EMPLOYMENT and EDUCATION is the KEY.
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Cheers,
Prakhar