Police said Aami (18) and Thaju Savera (14) came to the jail with their paternal uncle and submitted a requisition to visit their parents.
Permission was granted, but their requests to allow them carry a camera and mobile phones inside to photograph their parents were denied, police said
Roopesh and his wife were among five Maoists arrested on May 4 at Karumathampatti, some 20 kms from here.
Their arrests were made by Andhra police following a joint operation by that state, Kerala, Karnataka and Tamil Nadu police.