Already, 1A fare of train is higher than flight tickets.
Rajdhani takes 12 hours, flight take 1.2 hours :D :D
I feel 1A seats are consumed by Railways officers (on duty), or some intermediate station passenger books it. End to End toh shayad koi bewkoof hi leta ho 1A ka ticket, ya usko flight se gir jaane ka dar lagta hoga :D