Here's a simplified meal plan for your daily caloric need of 2977 calories:

**Breakfast (618 calories i.e., 20.7% of daily caloric intake):**

- Banana (121g, 108 calories)
- Apple (182g, 95 calories)
- Watermelon (874g, 415 calories)

**Lunch (803 calories i.e., 27% of daily caloric intake):**

- Bream (210g, 273 calories)
- Seafood (medium portion, 300 calories)
- Prawn biryani (100g, 230 calories)

**Dinner (803 calories i.e., 27% of daily caloric intake):**

- Buttermilk Fried Chicken (one piece, 364 calories)
- Chicken Mac (195g, 439 calories)

**Snacks (753 calories i.e., 25.3% of daily caloric intake):**

- Almond Juice (1 cup, 60 calories)
- Watermelon (2 cups, 92 calories)
- Granola Bar (2 bars, 190 calories)
- Mixed Nuts (60g, 411 calories)

**Total calories for the day: 2977 calories.**

Percentages of macronutrients:

- Carbohydrates: 55% 
- Protein: 22%
- Fats: 23%

**Grocery list to pick up from the store:**

- Bananas
- Apples
- Watermelon
- Bream
- Seafood
- Prawn Biryani
- Buttermilk Fried Chicken
- Chicken Mac
- Almond Juice
- Granola Bar
- Mixed Nuts

Note: Please adjust the portions of the items if not exactly matching the caloric needs, maintaining the macro nutrient distribution.