Here’s a quick, practical list of Indian lunch buffets (or lunch-time Indian curry buffets / all-you-can-eat) you can actually go to in Japan. (Buffet days/prices can change—worth checking the latest menu before you go.)
Tokyo
- NIRVANA New York (Tokyo Midtown, Roppongi) — Indian lunch buffet (time window + pricing listed on the official site). ()
- ヴェヌス サウスインディアンダイニング (Venus South Indian Dining, Kinshichō area) — known for lunch-time buffet (ランチタイムのバイキング). ()
- マドラススパイス東京 (Madras Spice Tokyo) — Indian “Madras” style curry buffet option (hotel/restaurant-style buffet). ()
Yokohama (Kanagawa)
- MANTRA 横浜スカイビル店 (Sky Building) — lunch buffet (listed as “ランチビュッフェ（時間無制限）”). ()
Kyoto
- SUDARSHAN（スダルシャン） (Shijō area) — Indian food in buffet style, with lunch price noted on the listing. ()
Osaka
- LALI GURAS（ラリグラス, Bentencho / 弁天町） — lunch time is buffet (with drink set price listed). ()
- ナマステタージマハル 守口大日駅前店 — weekend/holiday buffet lunch is listed. ()
Nagoya
- プルニマ（Purnima, Nakagawa-ku / ナゴヤ球場近く） — curry set includes buffet (ランチバイキング表記) and the buffet contents/drinks are described. ()
Sapporo (Hokkaido)
- クリスタルジョジョ 新札幌店 — listed with a daily “日替わりビュッフェ 60分” style offering. ()
Fukuoka (good leads)
True “lunch buffet” style Indian places vary a lot by season, but these are useful starting points:
- ディプパレス 博多本店 (DIP PALACE Hakata) — has all-you-can-eat course plans available from daytime hours (so it can work as a lunch all-you-can-eat option). ()
- Browse lists filtered for Indian × 食べ放題 in Fukuoka to find current buffet/courses near you. ()