BENGALURU, Dec 20 (Reuters Breakingviews) - India is taking a bite out of Apple’s (AAPL.O) supply chains, and it will end up at their core too. Helped by generous subsidies, Taiwanese Apple suppliers are starting to churn out more iPhones in India. Wistron (3231.TW) was the first to set up a factory to make the devices in 2017 around the technology hub Bengaluru. Foxconn (2317.TW), formally known as Hon Hai Precision Industry, and Pegatron (4938.TW) followed. Analysts at JPMorgan reckon India will have 6% of iPhone manufacturing capacity in 2022, and the rest will remain in China. Shipment numbers are...