Patil, who visited the riot-torn powerloom town in Thane district to take stock of the situation, said policemen would retaliate if they were attacked and added that the killers of the two policemen would not be spared.
The policemen were stabbed to death and set afire by a mob after two persons were killed in the police firing in the town on Wednesday during a violent protest opposing construction of a police station next to a mosque.
About the disputed land over which the riots broke out, Patil said the documents would be examined and claims and counter claims considered before taking a decision within a week.
Patil, who also holds the Home portfolio, also visited the civil hospital where 11 SRP personnel and policemen injured in the riots were undergoing treatment. He also addressed a meeting of officers, local politicians and police personnel to take stock of the situation.
He was accompanied by Director General of Police P S Pasricha and Guardian minister Ganesh Naik.
Meanwhile, the situation in the town was described as tense but peaceful and the curfew imposed on the day of the incident was lifted yesterday after the funeral of the two killed in police firing.