Mast Biryani Grand Vegetable Biryani

Name: Mast Biryani (Grand Vegetable Biryani)
Ingredients: 2¾ cups basmati rice; 1 pound sweet potatoes; 1 pound raw beets; 1 pound ripe tomatoes; 1 (14-ounce) can of chickpeas, drained; ½ pound hard paneer, cut into ¾-inch cubes; Canola oil; Salt; 1¼ teaspoons ground red chile; 1¼ teaspoons ground cumin; 2 teaspoons garam masala; 2 tablespoons lemon juice; 2 large onions, finely sliced; 1 egg; 11 ounces store-bought frozen and defrosted puff pastry; 1 tablespoon sesame seeds; 1 tablespoon nigella seeds; 1 (14-ounce) can of coconut milk; 3 cups (approx. 3½ ounces) cilantro, roughly chopped; 6 cloves of garlic; 1 Indian green chile; 1½-inch piece of ginger, peeled; ¾ teaspoon salt