Multiple choice Which dynasty was ruling over the Gangetic planes at the time of Alexander's invasion? Nandas Mauryas Guptas Hunas Reveal answer Fill a bubble to check yourself A Correct answer Explanation When Alexander invaded India in 326 BC, the Nanda dynasty was ruling the Gangetic plains. The Mauryan dynasty was founded later by Chandragupta Maurya in 322 BC, after Alexander's death, while the Guptas and Hunas ruled in much later periods.