A Delhi court has taken cognizance of a charge sheet filed by the Enforcement Directorate against former TMC youth wing leader Vinay Mishra, the alleged kingpin of a cattle smuggling racket across the India-Bangladesh border, Mohammad Enamul Haque and others. Special Judge Sanjay Garg issued summons against Mishra, his brother Vikas Mishra and other accused persons in the matter, and directed them to appear before the court on June 1.