India accuses Chinese phone maker Oppo of tax evasion as probes grow India is seeking 43.89 billion rupees ($551 million) from smartphone maker Oppo for allegedly evading customs duties, the latest in a flurry of accusations by Delhi against Chinese tech giants. The anti-smuggling agency has searched the offices of Guangdong Oppo Mobile Telecommunications Corp.’s local unit and questioned management, India’s Finance Ministry said on Wednesday. It found “incriminating evidence indicating willful mis-declaration of imported tools and components used to make phones, according to a statement. The Oppo unit also failed to include licensing fees paid to overseas companies when…