Raja Vikram, also known as King Vikramaditya, was a legendary king and historical figure in ancient India. He is said to have ruled over the kingdom of Ujjain in present-day Madhya Pradesh, India during the 1st century BCE. According to legend, he was a wise and just ruler who possessed great knowledge and courage. The most famous story associated with him is the tale of Vikram and Betaal, in which he is challenged by a ghost to solve a series of riddles and puzzles. Despite the ghost's attempts to deceive him, Vikram ultimately triumphs by using his wit and intelligence.