Well, that didn't last long. Tan Da, a trendoid Indian place at 25th and Park, seems to be over. White butcher paper on the windows, a "closed for renovations" sign on the door (after being open for 8 months or so.) Too bad. Britney Spears had her 21st Bday party here. Does she kill every restaurant she touches (e.g,, Nyla)????