CBI's Press Information Officer R K Gaur said the charge sheet has been filed at a special court here.
The agency sources said Sinh, Sen and Ghosh, along with their companies GNN India and Global automobiles, have been charged with criminal conspiracy, cheating and criminal breach of trust besides provisions of Prize Chits and Money Circulation Schemes (Banning) Act (PCMC Act), 1978.
The sources said that name of a woman lawyer has also appeared in the charge sheet but not as an accused.