In July 2000, Prime Minister Atal Bihari Vajpayee visited Mamata Banerjee's home in Kolkata, a gesture highlighting their personal and political relationship. This visit followed the closure of four PSUs in West Bengal. The article also recalls Banerjee's support for Vajpayee in April 1999 when his government faced collapse, alongside other NDA allies like Vaiko and Naveen Patnaik, as detailed in a former advisor's book.