https://thetaxtalk.com/2022/06/where-sufficient-own-interest-free-funds-were-available-the-presumption-is-that-the-said-funds-were-used-for-making-interest-free-advances-calling-for-no-disallowance-of-interest/
Where sufficient own interest free funds were available, the presumption is that the said funds were used for making interest free advances calling for no disallowance of interest.