Lei Jun (Left), chairman and chief executive officer of Xiaomi Corp, and Hugo Barra, vice president of Global Operations at Xiaomi Corp, hold Mi 4i smartphones during a news conference in New Delhi, India, April 23, 2015. [Photo / CFP]

No 2 Xiaomi

The mainland smartphone maker has joined forces with Taiwan-based tech giant Foxconn to start assembling phones in India. It's looking to sustain the interest of its Indian fans in its various products, following Redmi Note 2, by having another batch of its fitness tracker and sleep monitor wristband for sale on its website in India. The fitness band, one of the cheapest available, costs 999 rupees ($15). Xiaomi is also selling its 5000mAh power bank, which costs 699 rupees, on the same "flash sale".