Complex sentence: He maintained he was Chief of Air staff from Oct 2012 to January 2014 and then appointed CD and during the period funds for weapons were directly released to the Chief of Air staff, army staff and naval staff and not to me.
Split into simpler sentences: He maintained he was Chief of Air staff from Oct 2012 to January 2014. During his tenure as Chief of Defence Staff funds for weapons were directly released to the Chiefs of Air staff, Army staff and Naval staff and not to me.