<!-- -->Vivo exported its first batch of India-made smartphones in early November. (File)Central authorities have prevented Vivo from exporting some 27,000 smartphones for more than a week in a setback to the Chinese company's plan to ship devices from India to neighboring markets.The smartphones, manufactured by Vivo Communications Technology Co.'s India unit, are being held up at the New Delhi airport by the revenue intelligence unit, a branch of the Finance Ministry, over an alleged mis-declaration of the device models and their value, multiple people familiar with the matter said. The shipment is worth nearly $15 million, according to one of the people. The people declined to be named as the matter is not public.The Finance Ministry and Vivo India didn't respond to emails seeking comment.An industry lobby...