Without naming any particular party, Engineer said parties indulging in "communal politics" must be defeated.
He further said the report was to be submitted to Home Minister Sushilkumar Shinde as well as Uttar Pradesh Chief Minister Akhilesh Yadav but both of them refused to meet the FDCA representatives.
"Therefore, we decided to release the report to the media," he said.
Communal clashes in Muzaffarnagar and adjoining areas last year claimed 63 lives and rendered 40,000 people homeless. Hundreds are still living in relief camps for fear of being targeted again.