बिहार संपर्क क्रांति : मिथिला पेंटिंग की सुंदरता और तेज रफ्तार - Keshav Singh

Any reason why it was called Super Deluxe express?

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Initially the Kurla-Howrah Jnaneswari Exp & Kurla-Nagpur Samarsata Exp were provided with ICF Rajdhani rake . The rake obviously had better comfort than the-then brown and blue rakes.

Later the Rajdhani rakes were withdrawn for inauguration of Bhubaneswar Rajdhani (most probably, as I can recall)

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