The five activists -- Varavara Rao, Arun Ferreira, Vernon Gonsalves, Sudha Bharadwaj and Gautam Navlakha -- were put under house arrest on August 29 following an apex court order on the plea by historian Romila Thapar, economists Prabhat Patnaik and Devaki Jain, sociology professor Satish Deshpande and human rights lawyer Maja Daruwala against the police action.