According to Indian media, more than 50 helicopters of India are destroyed since last five years. The main reasons of destruction were expired machinery, less trained staff and low level maintenance. Defense minister Manohar Parrikar said that 30 helicopters are destroyed from 2010 to till now. Mostly are caused by high mistakes of human and techniques. Army officer’s wives wrote a letter to the defense minister Manohar Parrikar that they should change the expired helicopters.