Both Virendra Singh and Pravesh, producer and director of the CD, were interrogated in Saharanpur by a police team from Lucknow headed by Superintendent of Police Vinap Chandra, who recorded their statement on Sunday.
Sources said Singh and Pravesh said that they took instructions from the president of BJP's cultural wing Kalpana Talwar while other leaders provided inputs and books including Lahuluhaan Bharat and Bhajapa aur Swaraj.
They also claimed that 75 per cent of the faces in the CD were BJP workers and that senior BJP leaders had knowledge about the CD.
Police have also seized some books and other related things from their possession.
Superintendent of Police (Saharanpur) R K Chaturvedi confirmed that police have recorded their statements.