Mishra, managing director of Odisha Stevedores Ltd and his aide Basant Bal were detained yesterday in Thailand, with the assistance of Interpol.
Mishra and Bal were sent to the Capital Hospital for medical checkup amid tight security as soon as they reached the city here.
"He will be taken to Jagatsinghpur tonight and be produced in the court there tomorrow morning," a senior police officer said.
On Friday, a Kujang court had issued a non-bailable warrant against them.
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So far seven persons have been arrested in connection with the murder, DGP K B Singh said.
The key accused in the case Susant Sethy, another close associate of Mishra, was arrested from the airport in New Delhi on Friday. Sethy had helped Mishra and Bal escape to Thailand.