Quick commerce unicorn Zepto has appointed Bharti Enterprises vice-chairman Akhil Gupta as an independent director to its board.Akhil Gupta has spearheaded the successful public listings of Bharti Airtel, Bharti Infratel, and Airtel Africa.Zepto is planning to make its stock market debut later this year.The company has raised $1.35 billion in a span of five months.