Harish Goyal, Amit, Shivam, Tiloo and Sanju were taken into custody and 400 bottles of the fake medicine recovered, SSP Preshant Kumar said.
Several machines used for sealing and cleaning the bottles were also seized, he said.
The company of the original brand, Hamdard, has been informed of the fake product.
The five men have been sent to 14 days judicial custody after being presented before a judicial magistrate.
