ICT infrastructure tends to be relatively fragile. A blackboard, once installed in a classroom has an indefinite life. However a computer has a short life and can even fail earlier due to failure of any of its components. Electronic equipment is susceptible to failure and can be affected by electricity voltage fluctuations, dust, heat - these are quite common Indian conditions | ICT infrastructure tends to be relatively fragile. A blackboard, once installed in a classroom has an indefinite life. However a computer has a short life and can even fail earlier due to failure of any of its components. Electronic equipment is susceptible to failure and can be affected by electricity voltage fluctuations, dust, heat - these are quite common Indian conditions |