Brijesh Chauhan, who runs a medical store in Etah, was allegedly kidnapped on May 24 and his abductors demanded a ransom of Rs 11.5 lakh, police said.
Even after getting the ransom, Brijesh's kidnappers did not release him, they said.
Acting on a tip-off, police searched a house in Rajapur village in Hathras district and rescued the trader.
Five persons, including a woman, allegedly involved in the abduction of the trader, were arrested, police said.