The document discusses the controversy over whether the Taj Mahal was originally built as a Hindu temple. It presents the views of historian P.N. Oak, who argued that the Taj Mahal was originally a Shiva temple called Tejo Mahalaya that was converted into a mausoleum by Shah Jahan. However, others criticize Oak's arguments and personality. The document concludes that having basic knowledge of history is important to understand such controversies and prevent communal conflicts in India.