The identification parade of Ameerul Islam was held in the presence of a magistrate at Kakkanad sub-jail.
A woman witness in the case, who had given statement to the police earlier claiming that she had seen a man walk out of the residence of the victim on April 28, was brought to the jail for identifying the accused.
Police and jail authorities remained tight lipped about the outcome of the parade.
The 23-year-old Islam, arrested last week, has been lodged in Kakkanad sub-jail after a magistrate court in Perumbavoor remanded him into 14-days judicial custody.
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"We will collect more evidence, including identification parade, to build a strong prosecution," Additional Director General of Police, B Sandhya, heading the Special Investigation Team in the case, had said.
The accused, hailing from Dholda Gramam in Assam's Nauga district, was arrested on June 16 for allegedly killing the law student, 50 days after the gruesome incident, that had become a major issue in the recent Kerala Assembly elections.
The woman who hailed from a poor family, was raped and brutally assaulted using sharp-edged weapons before being murdered at her house on April 28.