any expenditure and the incidental expenses that are incurred in acquisition of a capital asset is an capital expenditure similarly any expenditure incurred for constructing any factory shed or any building for business is also a capital expenditure
There is no specific definition for the term " CAPITAL EXPENDITURE" its meaning can be interpreted situationally. If you want to have an idea reg the term please ref to DIR TAXES LAW AND PRACTICE BY VINOD K SINGHANIA - PAGE 376 PARA 141.2-4.