India — West Bengal Criminal Investigation Department & Sovandeb Chattopadhyay

India — West Bengal Criminal Investigation Department: The India — West Bengal Criminal Investigation Department is conducting the probe into the alleged signature forgery, summoning key political figures like Abhishek Banerjee and Kunal Ghosh for questioning to establish the authenticity of legislative documents.

Sovandeb Chattopadhyay: Sovandeb Chattopadhyay was the proposed nominee for the Leader of the Opposition, and the alleged forgery of signatures was in support of his nomination, making him a central figure in the controversy.