New Delhi, Aug. 25 -- Four days after the Delhi University students' union (DUSU) president Shakti Singh installed the busts of VD Savarkar, Bhagat Singh and Subhas Chandra Bose outside the varsity's arts faculty complex without taking necessary permission from the administration, members of RSS students' wing Akhil Bharatiya Vidhyarthi Parishad (ABVP) removed them at around 2am on Saturday....