NEW DELHI: After the Delhi high court dismissed Congress leaders Sonia and Rahul Gandhi 's challenge on reopening of their tax assessments for 2011-12 related to the National Herald case BJP said Gandhi family members were "tax evaders" and Sonia's 10 Janpath residence was the "nucleus of corruption".BJP spokesman Sambit Patra said the "bandh" called by Congress was merely an exercise to divert attention from the order, which had "exposed that the Gandhi family was involved in tax evasion and had lied to the nation" about their wealth. "Congress knew an adverse order was imminent and called for a bandh only to divert attention," he said."Former PM Manmohan Singh and his finance minister P Chidambaram worked towards protecting the mother-son duo. Singh should explain to the nation why a false income tax assessment was allowed to happen," Patra saidThe BJP leader alleged that the Congress first family "conspired" and "looted" the country as a conduit was created in the form of Young Indian Private Limited to "siphon off funds to the Gandhi family". "The Gandhi family today is known as a family that evades tax and a family which conspires against the law of the land," Patra said.The I-T department has sought reassessment of tax for Rahul, Sonia and Oscar Fernandes in the Young Indian case. The Gandhis have denied the allegations. "Rahul Gandhi is a director in Young Indian, which was not disclosed, and the firm has siphoned off Rs 5,000 crore," Patra alleged.The BJP leader said Rahul Gandhi's shares in Young Indian were worth Rs 154 crore but his I-T assessment was for just Rs 68 lakh.