Always a huge line every day at lunch and now I know why. Waited for an hour but ended up enjoying one of the tastiest Indian meals I've had in Japan. Had the 3-type curry lunch set (that was all the curries on the menu) with naan & mini rice, served with some cabbage achar (pickle) and a spicy condiment on the side. Fantastic. You can taste the freshness of the spices in each curry... definitely ground by hand. The Kerala veg curry was probably the most delicious veg curry I've ever had. Ordered some seekh kabobs on the side which were also superb. One big downside, however, is the wait. We arrived just before 12:00 noon and the place was already completely full with a queue of 9 ppl ahead of us spilling out onto the street. The waiter said if you arrive around 2:00 you might get in quicker but last order for lunch is 2:30. He also recommended calling ahead for dinner if you want to avoid a long wait. Anyway, top quality stuff hence the crazy lineups.