"Thousands of people had grabbed land in Mathura and the state government was unaware. If state government demands a CBI probe, we are ready for it," he said here.
Singh was addressing a rally where he highlighted various schemes of the Narendra Modi government during its two years in office.
Earlier this week as well, Singh had dared the state government to recommend a CBI probe into the Mathura clashes.
Uttar Pradesh government has ordered a judicial probe into the Mathura violence.
Two police officers, were among the 29 people killed during the clashes between encroachers and police in Mathura last week.
The violence had claimed the lives of Superintendent of Police (City) Mukul Dwivedi and SHO Santosh Kumar.
Political parties had been demanding a judicial inquiry into the violence. BJP's Mathura MP Hema Malini had demanded a CBI inquiry into the incident.
Meanwhile, Union Minister Prakash Javedkar held the SP government responsible for the Mathura incident.
He said that after witnessing misrule of SP and BSP, people of the state are now in favour of BJP.
