Question

vigilance is a necessary aid to governance

Answer 1

Yes ! Vigilance is a necessary & important aid to government because its duty of government to  be remain accountable & answerable to public & common parson those who elected them for betterment of society & country . 
So its government 's aim to stay on path of progress & provide more jobs & less corruptions . There  are many ways by them government can vigil their employees & departments . Like by putting proper check list of any work , more of technology involvement   & less human interaction . Also by auditing on time to time of actions & plans of government . There has to be a Chief Vigilance Officer in all deppt. On whom people & govt. can trust & recruited by unbiased authority like President  or Supreme court  of India .Other best way is implementation of E- governance . this new tool of 21 st century to deal with most of problem of government. Its effective functioning can make govt more efficient & honest towards nation .