He referred to the top court's 2022 judgement in the Vijay Madanlal Choudhary case and said it had held that ED officers are not "police officers".
Following submissions of the counsel for the convicts in connection with the surrender, both of them are expected to be shifted to the Puzhal Central Prison.
The accused in the sensational murder of 24-year-old IT professional Swathi on a railway platform allegedly committed suicide at the Puzhal Central prison in Chennai on Sunday, police said.
Two others from Ervadi, who had allegedly promised to get him the drug, have also been arrested, they said.
A local court in Tuticorin has granted conditional bail to all the 35 crew members of a US ship, arrested on charges of illegally carrying weapons on board the vessel and straying into Indian waters.
Twenty-two foreign nationals among the 35 arrested crew of detained United States-based private ship were shifted from the Central Prison at Palayamkottai in Tirunelveli to Chennai while a court remanded three others to police custody for seven days, officials said.