Benchmarking Of HR Practices And Policies

Hello,
I have done a project on the above said project. Under which I have done a comparative analysis of HR policies and practices of Dabur with ITC, Nestle, HUL.
I need to write a hypothesis for the same. Can anyone help me for this????PLZ

hiii all.....
i am doing the similar project at Vedanta which is a metal & mining Group.Could any one help me about how can i get primary data as if it difficult through questionnaire since the competitors of Vedanta are difficult to be approached..
regards
Jyoti