Masayoshi Son-led SoftBank Group Corp. could put more than $4 billion to work in India in 2021 across myriad technology bets, including software as a service, B2B marketplaces, e-commerce, health-tech and ed-tech. The investments will come from the Japanese company’s Vision Fund 2, which has an investment outlay of up to $30 billion for the current calendar year. We anticipate …