According to the police, Thakur, who lives in north Delhi, was in Noida on the day of the incident and kept in close communication with Aditya Anand, the purported mastermind of the disturbance.
According to officials, the police conducted a thorough investigation and prolonged questioning before making the arrests.
Additional legal actions are being taken against the accused.
On April 18, the "mastermind" of the demonstration, Aditya Anand, of Tiruchirapalli, Tamil Nadu, was arrested by Noida police and the UP Special Task Force, which is also investigating the crime.