According to Delhi Police, Sharda, Parwati, Roshni, Rita, Renu, Nisha and Poonam, all residents of slums in Prem Nagar Kathputli Colony here, were arrested from Barakhamba Road Metro Station.
Police has recovered jewellery worth Rs 6.5 lakh from them, Sanjay Bhatia, DCP (Railways) said.
Police said Renu, Roshni and Parwati were also involved in another criminal case.