Trending @Accenture; Where can we find compensation letter and offer letter.

While i joined accenture i saw some detailed pay structure in offer letter. In compensation petter its having only base pay. if i want to join other company what document i can give to them as a proof of my ctc. My ctc while joining accenture was 9.5 LPA and base pay was 7.5 LPA. Now my base pay is 9.5 LPA. Where can i see my CTC.