Depreciation of Fixed asset in Leap Year and in case of Usage of Less then 6 months

In a leap Year, what is the procedure to calculate days for 6 months of April,2011 to September,2011 if Financial year is 2011-12 and 2012 is a Leap Year?

If asset is Used for Less then six months , what is the Procedure to calculate the depreciation for the same asset?

You can refer to Feature Instruction “13721_Depreciation as per Indian Tax_Feature Instructions Guide” in 4.0 SP3 HF1 for a detailed explanation.