Among the new appointees, Dr Ajay Tiwari has been given charge of the School of Computer Science, replacing Prof Ugrasen Suman. Tiwari has also replaced Prof GL Prajapati as chief warden. IIPS director Prof Yamini Karmarkar, who was also holding the additional charge of the School of Aviation, Tourism and Hospitality Management (SATHM), has been relieved of the headship.