Chinese mobile major Xiaomi has said that business in India is getting “insanely competitive” at a time when compatriots such as Vivo, Lenovo, Huawei, Gionee and Oppo are expanding rapidly n the market. The chase for buyers has further heightened with top-seller Samsung rolling out an expanded portfolio and local heavyweights like Micromax, Intex and Lava launching lower-priced smart devices.