Highlights The HC had earlier ordered the house arrest of TMC leaders in the case NEW DELHI: In a significant development, the Central Bureau of Investigation (CBI) on Tuesday withdrew its appeal from the Supreme Court challenging the Calcutta High Court order allowing house arrest of 4 Trinamool Congress leaders in the Narada alleged bribery case. While hearing the Narada case, the top court said that a five-judge bench of Calcutta High Court is already hearing the Narada bribery case. The CBI and four leaders are at liberty to raise all issues there, said the top court. Earlier, the central probe agency had moved the