Jio Platforms, billionaire Mukesh Ambani’s Indian telecom and digital services unit backed by Meta and Google, surged 21% in its stock market debut on Wednesday after raising $3.2 billion in India’s largest and most subscribed IPO, which attracted more than $77 billion in investor bids.

The shares opened at ₹1,358 (about $14) apiece, up from their IPO price of ₹1,119 (around $12). That valued Jio at around ₹12.5 trillion (around $131.9 billion), making it India’s second-most valuable listed company after its parent, Reliance Industries, which is worth about ₹16 trillion (around $168.6 billion). In 2020, when Meta and Google invested, Jio was valued at up to ₹4.91 trillion ( about $65 billion at the time).

The offering, which ran from October 21 to 22, drew bids for 22.19 times the shares on sale, according to exchange data. More than 13.8 million people applied.…