Jio Platforms shares debuted at Rs 1,358, a 21.36 per cent premium over the issue price, following a Rs 30,213-crore IPO. The issue was subscribed 22.19 times, while brokerages initiated coverage with Buy ratings and growth forecasts. Mumbai: Shares of Reliance Industries' digital and telecom subsidiary, Jio Platforms Ltd, made a strong debut on the NSE and the BSE on Wednesday, following its Rs 30,213-crore initial public offering (IPO).