Under Ind AS 23, borrowing costs DIRECTLY attributable to the acquisition / construction / production of a QUALIFYING ASSET must be:

Ind AS 23 — directly attributable borrowing costs (those that would have been avoided if the qualifying-asset expenditure had not been made) are capitalised. A qualifying asset takes a substantial period of time to get ready for its intended use or sale (e.g., building under construction). General borrowings use a capitalisation rate (weighted average of borrowing costs on outstanding general borrowings).