Low-cost broadband provider Jio Platforms aims for £81bn valuation when it floats on the stock market on WednesdayBusiness live – latest updatesIndia’s second-richest man, Mukesh Ambani, is launching what could be the country’s biggest-ever initial public offering (IPO), despite a stock market downturn.Mumbai-based Jio Platforms, a telecoms company backed by Meta Platforms and Google, is hoping to raise up to 302bn rupees (£2.4bn) and is targeting a 10.3tn rupees valuation when it floats on the