Hema Siva Kumar Thanniru, arrested on Tuesday, used to post advertisements in Quikr and OLX offering jobs in multinational companies, police said.
He conducted 'interviews' through phone and issued them job offer letters, a police press release said.
Police advised job aspirants not to fall prey to online advertisements for vacancies with MNCs and to verify the antecedents of placement agencies before they pay any fee for processing.
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With inputs from PTI.