With the new holding firm, Ambani is also readying the businesses for an initial public offering, which he has vowed to complete within five years. Since Jio’s 4G network rolled out in 2016, the carrier has vaulted to the top in India with more than 350 million users. Ambani has also been stitching together a network of partners through acquisitions and stake purchases to build a backbone for his e-commerce plans.