Selection of System Integrator For Supply, Installation, Operation and Maintenance of IT infrastructure for e-Challan System in 11 Districts of Assam. , supply , installation , operation and maintenance of it infrastructure for e-challan system in 11 districts of assam , desktop pc , multifunction printer , laser printer , 1 kva ups , 3 kva ups , computer chairs , computer tables , 24 port managed switch , 8 port managed switch , site preparation , data digitization of historical records , training ( personnel ) , desktop pc - amc for year 2 , multifunction printer - - amc for year 2 , laser printer - amc for year 2 , 1 kva ups - amc for year 2 , 3 kva ups - amc for year 2 , computer chairs - amc for year 2 , computer tables - amc for year 2 , 24 port managed switch - amc for year 2 , 8 port managed switch - amc for year 2 , site preparation - amc for year 2 , desktop pc - amc for year 3 , multifunction printer - amc for year 3 , laser printer - amc for year 3 , 1 kva ups - amc for year 3 , 3 kva ups - amc for year 3 , computer chairs - amc for year 3 , computer tables - amc for year 3 , 24 port managed switch - amc for year 3 , 8 port managed switch - amc for year 3 , site preparation - amc for year 3 , desktop pc - amc for year 4 , multifunction printer - amc for year 4 , laser printer - amc for year 4 , 1 kva ups - amc for year 4 , 3 kva ups - amc for year 4 , computer chairs - amc for year 4 , computer tables - amc for year 4 , 24 port managed switch - amc for year 4 , 8 port managed switch - amc for year 4 , site preparation - amc for year 4 , desktop pc - amc for year 5 , multifunction printer - amc for year 5 , laser printer - amc for year 5 , 1 kva ups - amc for year 5 , 3 kva ups - amc for year 5 , computer chairs- amc for year 5 , computer tables - amc for year 5 , 24 port managed switch - amc for year 5 , 8 port managed switch - amc for year 5 , site preparation - amc for year 5 , manpower support for 11 districts ( 60 man-month per district , 660 man-months in total )