New Delhi, Oct. 15 -- Jio Platforms Ltd., the telecom and digital services unit of Reliance Industries Ltd. led by billionaire Mukesh Ambani's son Akash Ambani, will open its initial public offering next week in what's on track to become India's largest listing.

On offer in the Jio IPO are 270 million new shares at Rs.1,065-1,119 apiece, according to an exchange filing on Wednesday. The anchor book will open on 19 October, followed by public subscription on 21 October, which will close two days later. The shares are equivalent to about 2.9% of Jio's post-issue equity capital.

At the upper end of the proposed price range, Jio would be valued at about Rs.10.3 lakh crore, while the IPO would raise about Rs.30,200 crore. Even at the low end...