Defrost shrimps and peas at room temperature. Boil eggs in boiling water for about 10 minutes until hard. Peel onion and cut into cubes. Heat oil in a pot. Sauté onion until translucent while turning.
Dust with flour and 1 tablespoon curry and sauté briefly. Add milk, juice and stock while stirring, bring to the boil and simmer for about 4 minutes. Prepare rice in boiling salted water according to package instructions.
Wash the dill, shake dry, pluck flags from the stalks and cut finely, except for a little to garnish. Peel the eggs and cut into slices. Add shrimps, peas and eggs to the sauce, bring to the boil briefly and season with salt, pepper and dill, except for a little topping.
Peel the cucumbers, cut them lengthwise in half and remove the seeds. Bring 100 ml salted water to the boil in a pan, add the cucumber halves and cook for about 5 minutes in the closed pan until translucent. Fill cucumber halves with ragout and arrange on plates with rice.
Dust with curry and sprinkle with dill and garnish.