Pietermaritzburg – The significance of the kraal in Zulu tradition is not properly understood, ANC MP Mathole Motshekga told Parliament's ad hoc committee on Nkandla on Tuesday.But he was quick to enlighten them. "The kraal on Earth reflects the kraal in heaven, where there is a bull and seven cattle in heaven. The kraal is a link of the family here on earth and that in heaven. You are attacking the kraal as well as the owner of the kraal."Motshekga was adding his explanation to Police Minister Nkosinathi Nhleko's briefing to the committee.Because the kraal could not be moved, the animals kept triggering security alarms. This required a chicken run and cattle culvert to be built in more remote part of the homestead, Nhleko said.He never claimed to be a security expert when he compiled his report on the upgrades of President Jacob Zuma’s Nkandla homestead, the minister said.Nhleko said they consulted a retired University of KwaZulu-Natal lecturer - Mr Ntshangase - on whether the kraal, which also houses chickens, could be moved.“He told us that a kraal was a sacred place, a place where meat is eaten, a place to bury a loved one. He told us that it was rare to move a kraal and you must have an exceptional reason to move a kraal.”The committee, which includes members of the ANC, DA, ACDP and NFP, was expected to visit Nkandla on Wednesday.It is studying Nhleko’s report - released on May 28 - in which he said Zuma did not have to repay any of the R246m spent on so-called security upgrades at Nkandla. This contradicted Public Protector Thuli Madonsela’s report, released in March 2014, in which she recommended that Zuma pay for those upgrades not related to security.“I did not claim to be a security expert. The Public Protector wasn't either and I am not going to pretend to be one,” Nhleko said.“There are those who know. We just talked to them and established the facts.”He was responding to remarks by DA Chief Whip John Steenhuisen.Steenhuisen remarked that Nhleko was caught in a conflict of interest, having to investigate the person who appointed him to his job.“If your view is that I have arrived at my conclusion because I have been appointed by the president then it's fine. "Just because you are appointed by the president, it does not mean we owe the president favours. What matters is what the Constitution says and my oath of office," Nhleko responded.