Shankhnaad: How many characters of corruption in Bengal?

Arpita Mukherjee, an aide of Minister Partha Chatterjee, who was trapped in the West Bengal teacher recruitment scam case, has been sent on one-day remand. The court has also rejected Arpita's bail plea. Now the ED is expanding its investigation and trying to find out how many big names are involved in this scam. Watch Shankhnaad with Sayeed Ansari.