You are only telling it's 80% full which tells that it is 20% vacant. In fact, one can get ticket for next trip in general quota itself. It may have never ran with vacant berth but adding 300 seats for 1 train while other train run into huge wait list isn't wise decision.

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I guess Aap Mera Post Dhang se Nahi Padhe Kisi Season Wale Figure Nahi diye maine Pure Year Ka Record Diya Hai Apni Baat Manvana Band Karo...
I Guess Official Ko Jyada Experience Hai Nahi aapko Hume Jo unke PR Pe Argue Karte Hai

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