Hello ASHISH,
As rightly titled, this looks a case for Multiple Counter plan. We have a good document by Maria on this subject. Also a related document by Maheswaran. Following are the links..
These plans, we need to test well in Development clients to assess the behavior. Primarily to understand the effect of Annual Estimate on the scheduling lines.
May wait for the opinions of other experts.
Good luck
KJogeswaraRao