Young Delhi batsman Unmukt Chand was on Saturday appointed India A captain for the upcoming ODI cricket tri-series involving Australia A and South Africa A starting here on August 5. Karnataka batsman Karun Nair has been appointed Unmukt’s deputy as the All-India Senior Selection Committee picked a 15-member squad. All the matches will be played here at the MA Chidambaram Stadium with the final scheduled on August 14. Meanwhile, Ambati Rayudu has been picked to lead the India A side in the two-Test series against South Africa A starting August 18 in Wayanad.