Ahead of an international series, state associations hire top domestic bowlers to bowl to both the home and away players to prepare them for the upcoming series. Yatish Singh, an 18-year-old off-spinning all-rounder from the Delhi Under-19 team, was called up to bowl to India and South Africa players in the recently-concluded T20I series.

from Times of India https://timesofindia.indiatimes.com/sports/cricket/south-africa-in-india/good-job-when-rahul-dravid-praised-18-year-old-net-bowler-yatish-singh/articleshow/92385610.cms