Maharashtra was put on alert, including the state capital Mumbai, on Thursday following widespread protests by Dalits over an incident of alleged vandalism of BR Ambedkar's statue in Uttar Pradesh.
Violence spread across the state and spilled over to Mumbai after reports that a man was killed in Nasik while protesting against the desecration in Kanpur on Wednesday.
Within hours of the incident, protests spread to various towns in Maharashtra, including Mumbai's suburban areas like Chembur, Thane, Kalyan and Bhiwandi, police said.
Curfew was also imposed on Thursday in several places affected by the violence in neighbouring Nanded, Pimpri near Pune, and Nasik. The Nasik-Mumbai highway was blocked and the western expressway was blocked for some hours, police added.
"Although the situation was tense last night, it has become normal. But violence erupted again this morning and spread to Worli, parts of Navi Mumbai, where mobs damaged buses and other vehicles," a police official said.
"Additional police forces have been rushed to sensitive areas in the city including Chembur, Worli and parts of Navi Mumbai," he added. "The situation is tense but under control.