The accused, Mujahid alias Surya, was arrested from near the IT Park at Shastri Park here on July 26, Madhur Verma, Deputy Commissioner of Police (Crime), said today.
The two girls, who were abducted from Hojai in Assam in May, were found with the accused, he added.
The girls, aged 12 and 13, were told by the accused that he would get them employed as maids in Delhi, said another police officer, adding that they were also told that they would be rich by the time they turned 30.
The accused used to charge anywhere between Rs 2,000 and Rs 5,000 to the "clients" of the girls, they added.
The girls were produced before the Child Welfare Committee and were currently lodged in a girls' home here, the police said.