Actor Dhanush on Tuesday inaugurated a new three-storey academic block at his alma mater Thaai Sathya Matriculation School in Saligramam, Chennai, which he personally funded. But I was fluent in Tamil,” Dhanush said. Usually, people embarrass you for not knowing English, but they were surprised when I said I knew it,” Dhanush recalled. “When I asked why, they responded, you should know your mother tongue well. Not knowing your mother tongue is actually shameful.