BYJU'S-owned test prep firm Aakash Educational Services Limited has named Deepak Mehrotra as its MD and CEO.Mehrotra's appointment follows the exit of Aakash's previous CEO, Abhishek Maheshwari, over six months ago. During the same period, Vipan Joshi, CFO at Aakash, departed, prompting the formation of an executive council to address the vacancies in these key positions.