Why Kuldeep Yadav did not bowl in second innings vs Sri Lanka?

Kuldeep Yadav bowled 18 overs in the three-day practice match. He had also bowled another two-three overs before the game started. With the left-arm wrist-spinner already having bowled close to 20 overs, the team management decided against giving him more work and instead allowed him to assess how his body was respondi