As the countdown to the presidential elections begins, preparations for Finance Minister Pranab Mukherjee’s exit from North Block have also gained momentum. Some officials who are hopeful of accompanying Mukherjee up Raisina Hill or are not sure of staying in the finance ministry once he moves to Rashtrapati Bhawan have also started sifting important document from their rooms. So much so that even computer hard disks are being cleared to ensure that no personal data is left in the system.