Here's the plot, according to Hindu mythology and the dashavatharas, chronologically, Lord Vamana incarnated before Lord Parushurama. According to the popular folklore and existing beliefs in Kerala, King Mahabali was said to have to have ruled over the land now called Kerala. He is still remembered as one of the greatest rulers who have ever taken throne. Therefore, he's still remembered during the festival of "Onam". And it is said that Lord Vamana was the one who sentenced Mahabali to his eternal exile. But, it is also said that Lord Parusharama is the one who forged the Land of Kerala from his mighty axe. According to Dahshavaratha, chronologically, Lord Vishnu is said to have taken the form of Lord Vamana before that of Lord Parushurama. How?