1. you can pretty much eat when you want. Dinner is served immediately after the flight takes off. After that, people eat when they wake up. There is a snack bar open full time too and the crew are very accommodating on timings.
2. "Tamilian" is the (Asian)Indian way of referring to "Tamils".
3. SQ has a NC headset thats quite good, but does not use power and the bose, if you have it, can make movies more fun inflight.