New Delhi, Dec. 30 -- When Hong Kong introduced an extradition bill, it could not have anticipated the most serious challenge to the Communist Party of China since the 1989 pro-democracy protests.

Seven months on, the protests became more violent and expanded their list of demands including universal suffrage. A unique organisational structure has enabled this.

The frontline protesters, wearing masks and all-black, have become the face of the pro-democracy movement. They get support from Civil Human Rights Front (CHRF), which organised many of the protests. But the mobilisation of the protesters has been their own doing.

"Being a sometimes even more difficult than being a 'frontline protester'," said a 25-year-old IT profes...