Stop giving smartphones to your kids!” wrote Manu Kumar Jain, the former CEO of Xiaomi India, in a LinkedIn post. Jain also served as the global VP of the Chinese tech major, whose smartphones are among the top sellers in India. Quoting a recent report by US-based Sapien Labs, which highlighted the connection between deteriorating mental health and early smartphone access, he urged “parents to resist the temptation of handing over a phone…