As per the police, Vipin Kumar was arrested by South-East Delhi police on Wednesday.
Police have also recovered a Honda City car, Rs 7,000 cash, a screw driver used to commit the crime and some belongings of the victims.
"In the last 15 days, there have been several cases of robbery on the Ring Road especially on the stretch from Moolchand to Sarai Kale Khan between 9 to 12 PM in the night.
The criminals used to approach commuters on the pretext of giving them a ride to the choice of their destination at a nominal fair. On the way, the victim was blindfolded and robbed off all the belongings, police said.
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In the last 15 days, three such incidents were reported in the area of Maharani Bagh and Sarai Kale Khan which falls under Sunlight Colony police station, he said.
The criminals also used to withdraw money from ATM after taking the card and pin number from the victims.
Policemen in plain clothes were placed around the bus stops on the Ring Road. All these efforts bore fruit on Wednesday when Kumar was arrested, police said.
On Kumar's interrogation, it was known that he was part of a gang which usually targeted commuters. They keep themselves positioned in their car around places where people waited at the bus stops. They would identify their target and one of them would stand near to the victim posing as a fellow passenger.
"The gang would then rob him off all his valuables. The Honda city car was being used in the commission of the crime," he said.