Good Indian curries, tandoori items and Nepalese starters and side dishes. The momo dumplings are better than average, and the Indian Salad is impressively spicy. Budget around Y2000-2500 at dinnertime; set meals (with rice or nan) start at around Y1100.
This book will introduce you to more than twenty of Japan's favorite specialty foods that are less well known abroad, along with a guide to the best places in Tokyo to try them and expert tips on what to order. From Bento.com.