Reliance Industries Limited-backed Jio Platforms Limited IPO created history in less than two hours after the beginning of its subscription. The Jio IPO was fully subscribed in less than 100 minutes on Wednesday, October 21. With this, the Jio IPO became the fastest ever subscribed IPO in India so far.Jio IPO opened for subscription on Wednesday, October 21. The IPO will close for subscription on Friday, October 23.