Twenty four persons were found to have taken drugs at The Cave Pub when in a joint operation officials from the Madhapur special operations team, Shamshabad police, Telangana Anti-Narcotics Bureau and the excise department personnel mounted a surprise raid after getting a tip-off on Saturday night.

Tests were conducted on 55 people present at the venue, with most of them being employees of MNCs, while the others were students in the 21-26 years age-group.