HYDERABAD:The Cyberabad police detained four history-sheeters under PD Act. One of them, Ganala Santhosh (28), a plumber, was involved in 31 burglaries in Cyberabad and Madhira in Khammam district. The other, Komera Anjaiah (65), is a stone-cutter and Kommani Srinivas (26) were involved in 17 burglaries each.. Kattela Anoop Kumar (24), a car driver and resident of Uppuguda, was also held for involvement in 11 burglaries.