en it should be grossed up.Rules of Grossing up or when to gross up.1> If rate of interest is given, grossing up is done only for tax free Non-Govt. securities.2> Interest on tax free Non-Govt. securities is always net interest and hence it is to be grossed up irrespective of whether interest rate or amount is given.3> Interest on less tax non-Govt. securities is grossed up only when amount is giv