Berth allotment in 3AC- Recently I have booked ticket travelling on 7Jan 2017 for 5 passengers, of which 2 are senior citizen (72-65) respectively, but on allocation it came to be senior citizen lady (72) got upper berth and my self (36) got middle berth, i can't understand what algorithm reservation system is using, and when complainted this I got a reply , that berth allocation according to availability, so book ticket separately for senior citizens.