Koda, Basu, Gupta, public servants Bipin Bihari Singh and Basant Kumar Bhattacharya, Kolkata-based Vini Iron and Steel Udyog ltd (VISUl)'s Director Vaibhav Tulsyan, Chartered Accountant Navin Kumar Tulsyan and Koda's alleged close aide Vijay Joshi appeared in the court following the summons issued against them.