hi sir dp scenerio

hi sir

i hav involved one project that is dairy product. the client wants 102 weeks forecasting. the forecasting will done once every month. but the weaks forecasting should be modified every week.

so i maintain weeks and month in time bucket profile. for the above senerio

the planning is on rolling basis every month here

the clinet requirement is if the planning is start from today onwards up to 102 weeks. once this month 4 weeks completes the planning forecast should become 98 weeks. once next 4 weeks completes then it should be become 94 weeks.( the forecast will done 94 weeks ).. have u understand my senerio. how i can do this senerio???

plz help me out .

dallyanusha