Regi Vadiyalu is made from Regi Pallu, tamarind, and palm jaggery. Regipallu is also known as Indian Berries. These Regi Vadiyalu are available in red color from November to February. When the fruit season ends, Regi Vadiyalu is made with dried Regi Pallu, which may look a bit black. (https://pushmycart.com/products/prakruthi-regi-pallu-vadiyalu-elantha-vadai-with-tamarind-and-jaggery-1lb)