New Delhi, Nov. 25 -- India has sharply criticised China over the "arbitrary detention" of an Indian citizen from Arunachal Pradesh at Shanghai Pudong International Airport, saying Beijing's actions violate international travel norms.

In response to media queries, MEA spokesperson Randhir Jaiswal said New Delhi had taken up the matter "strongly" with Beijing.

"Arunachal Pradesh is an integral and inalienable part of India, and this is a self-evident fact. No amount of denial by the Chinese side is going to change this indisputable reality," Jaiswal said.

He added that China had failed to explain why the woman - who held a valid passport and was in transit - was detained in violation of international aviation conventions and China's own...