In a big boost to their preparations for the U-19 World Cup starting January 17, India colts thrashed South Africa by 69 runs to win a quadrangular series here on Thursday. India rode on a hundred by wicketkeeper-batsman Dhruv Jurel and a four-wicket haul by left-arm spinner Atharva Ankolekar to clinch the series.

Sent in to bat, India lost opener Yashasvi Jaiswal and captain Priyam Garg early to reel at 13/3 inside 7 overs before Dhruv Jurel and Tilak Varma added 164 runs for the fourth wicket.

Besides the pair, Siddhesh Veer smashed a 37-ball 48 as India posted 259/7 in their quota of 40 overs.In reply, South Africa kept losing wickets at regular intervals and were shot out for just 190.