Delhi Police sought 10-day custody of former JNU student leader Umar Khalid, arrested under the stringent anti-terror law Unlawful Activities (Prevention) Act, in a case related to the communal violence in northeast Delhi in February.
Police said he needed to be confronted with huge amount of data. In the FIR, police has claimed that the communal violence was a "premeditated conspiracy" which was allegedly hatched by Khalid and two others.
In this conspiracy, firearms, petrol bombs, acid bottles and stones were collected at numerous homes, FIR claimed.
Co-accused Danish was allegedly given the responsibility to gather people from two different places to take part in the riots, police alleged. Women and children were made to block the roads under the Jafrabad metro station on February 23 to create tension amidst the neighbourhood people, FIR said.
Communal clashes had broken out in northeast Delhi on February 24 after violence between citizenship law supporters and protesters spiralled out of control leaving at least 53 people dead and around 200 injured.