The robbers intercepted the bullion trader, Vikas alias Baga (32), a native of Rajasthan, near a crossing in the busy market in Chowk police station area limits.
The accused took away Vikas in their car to the outskirts of the city and robbed 4 kilograms of gold ornaments from him and dumped him there, Dashashwamedh Circle Officer, D P Shukla said.
An FIR was registered by the police in this regard against three unidentified persons and an investigation into the case was on, said Shukla.