Authorities detain leaders and fortify the capital as thousands prepare to march against voter list changes and demand Election Chief Gyanesh Kumar's resignation.
Authorities deploy 35,000 personnel and restrict transport to counter the Cockroach Janta Party's demonstration against Chief Election Commissioner Gyanesh Kumar.
Authorities are reviewing footage from a Congress protest in New Delhi to identify those involved in alleged violence, while the Gandhis face legal action for defying orders.