to promote transparency and accountability in the working of every public authority,

The  preamble  to  the  RTI Act 2005, states:

"An  Act  to  provide  for  setting  out  the  practical  regime  of  right  to  information  for  citizens  to  secure  access  to  information  under  the  control  of  public  authorities,  in  order  to  promote  transparency  and  accountability  in  the  working  of  every  public  authority,  ..."