Crystal report group together is not working

Question

hi,

I am having a crystal report,I divided its detail part into two and placed two sub reports each one of its details part.

In the 2nd s.ub report i am having a group and its detail part is divided into 5 parts ,now i am applying group keep together but this group is not coming together.I have given the detail part's keep together checked and the sub report keep together checked but this group is splitted and appearing in two pages.

Can anyone please help me to sort out this issue?

Thanks,

Sahul.