Former West Bengal education minister Partha Chatterjee’s son-in-law, Kalyanmoy Bhattacharya,who was an accused in the case, had become an approver last week
The accused include former West Bengal education minister Partha Chatterjee, his aide Arpita Mukherjee, ex-state primary education board president and legislator Manik Bhattacharya and 51 others