Two unidentified persons snatched away a chain weighing seven sovereigns from a woman riding a two-wheeler at Periyar Nagar in Vriddhachalam on Friday.
Police sources said that V. Gomathi (31), a resident of Periyar Nagar, was taking lunch to her children studying in a private school in the same area.
While she was returning home, two unidentified persons trailed her on a motorcycle. While she was passing through Parijatham Street, they blocked her way, snatched her chain and sped away.
The Vriddhachalam police have registered a case.