Okay, based on your guidelines, here's your meal plan. 

**Breakfast (18% of 2697 calories)**
 - Banana - 200g - 180 calories
 - Apple - 180g - 95 calories
 - Mango - 150g - 99 calories
 - Watermelon - 300g - 92 calories
Total: 466 calories

**Lunch (28% of 2697 calories)**
 - Prawn biryani – 750g - 754 calories
Total: 754 calories

**Dinner (14% of 2697 calories)**
 - Pumpkin dinner rolls - 4 rolls - 376 calories
Total: 376 calories

**Snacks (25% of 2697 calories)**
 - Almond juice - 350ml - 209 calories
 - Watermelon - 300g - 463 calories
Total: 672 calories

Your grand total calories for the day is 2268 which is slightly lower than 2697. You may add or adjust the portion of any above food list to meet your calorie requirement.

On an average day, you'll be consuming:
- Carbohydrates: 52%
- Protein: 24%
- Fat: 19%

##Grocery List
- Bananas
- Apples
- Mangoes
- Watermelons
- Prawn Biryani Ingredients (Prawns, Basmati Rice, Biryani Spices)
- Pumpkin Dinner Roll Ingredients (Pumpkin Puree, Whole Wheat Flour, Yeast, etc.)
- Almonds (for almond juice)

Remember to drink enough water as it's necessary for the proper functioning of the body and to maintain a healthy weight.