There are many tools available to recover passwords for Excel files. Some of these are
AOPR 3.11 from www.elcomsoft.com/aopr.html (49—Rs 3,000—for the Home Edition), Excel Key from www.lostpassword.com/excel.htm ($45; Rs 2,000), and Excel Password from http://lastbit.com/excel/ ($39; Rs 1,750).
