Surendran, 55, a resident of Mankara in Palakkad district surrendered before the Ottapalam assistant sessions court the other day soon after the apex court verdict.
Malappuram District police chief S Sujith Das said a massive manhunt has been launched to nab the main accused and Akaraparambu native Yahya.
Abdul Jaleel succumbed to the injuries at a private hospital in Perinthalmanna on Friday. An unidentified gang had kidnapped Jaleel, and brutally assaulted him with the intention to kill him, as per the police FIR.
According to the police, the owner of the paddy field shifted the bodies from the spot where the policemen were electrocuted in order to destroy evidence.
Jaleel, who worked as a driver at Jeddah, landed at the Cochin International Airport at 9.45am on May 15.
The bodies of havildars Mohandas and Ashokan were found in a field near the police camp.
The court had last week found that the 25 accused were guilty of the murders at Kallamkuzhi in Mannarkkad.
Crime Branch superintendent of police MJ Sojan had reportedly made an obnoxious remark about the girls.
The accused also had ties with PFI members who were arrested in connection with an earlier political killing in Palakkad, the police said.
A team led by Shornnur DySP V Suresh is on the search for for two others.