Does ifc reporting mandatory for section 8 companies for fy-2015-16?

Yes, it is mandatory for  all companies as provided u/s 143(3)(i).   No exemption has  been given to Sec.8 companies.

Sir can you please elaborate the IFC means what is it amnd why all it is required and what is the relevance of the same in context to companies

Sir can you please elaborate the IFC means what is it amnd why all it is required and what is the relevance of the same in context to companies