During the 30-minute discussion, Singh briefed Modi about the situation in the Western Uttar Pradesh town and the action being taken to maintain peace in the state, sources said.
The home minister informed the prime minister that he has been personally monitoring the situation and has already spoken to Chief Minister Akhilesh Yadav and asked him (Yadav) to take all possible steps to control the violence.
The home ministry has already sent 600 paramilitary personnel to assist the state government in maintaining the law and order.
Three persons were yesterday killed and 19 others, including policemen, injured in the clashes between two communities over a land dispute after which curfew was clamped and shoot-at-sight ordered in the town.
On the UPSC issue, sources said, the home minister informed the prime minister that he had held a meeting with Finance Minister Arun Jaitley, Minister of State for Personnel Jitendra Singh and reviewed the situation arising out of the students protests.
Singh briefed Modi about the possible steps that could be taken to resolve the issue.
The students have been demanding change in syllabus of civil services preliminary exam and postponement of the test scheduled for August 24.
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