Typically, Indian food is very difficult to find in Ninh Binh. A number of restaurants in Ninh Binh offer vegetarian and vegan dishes, such as An Lac, Thien Duyen, Binh Tay, Bao Anh, Chookie's, Viet Bamboo among other such places.
A few useful phrases are
Vegetarian: An Chay
Vegetarian food: com chay
Vegetarian restaurant: Nha hang com chay
No eggs: Khong co trung
Read more about Dishes Of Vietnam