The eight organisational leaders and activists of seventy organisations of Assam waved  black flags against the controversial Citizenship (Amendment) Bill, 2016 in front of the Assam Bhawan in Delhi on Sunday.

Earlier, police detained the delegation led by Rubul Das from a hotel of Paharganj in Delhi-NCR in the wee hours of Saturday ahead of Republic day celebration in New Delhi. The leaders and activists were in the custody of Delhi Sansad Marg Police Station.

As per reports, the delegation led-by Rubul Das had planned to wave black flags against the controversial Citizenship (Amendment) Bill, 2016 in the Republic day celebration at New Delhi. However, the delegation didn't get entry passes to the event.