NEW DELHI, April 8 (Reuters) - ⁠Vaibhav Sooryavanshi's fast-rising reputation as Indian cricket's next big thing faced its sternest ⁠test in Tuesday's Indian Premier League (IPL) clash against Mumbai Indians, and the 15-year-old ‌Rajasthan Royals opener came through with flying colours, bossing Jasprit Bumrah - arguably the finest all-format bowler of his generation - with nonchalant aggression.