Saradha scam probe: SC order a blow for Mamata Banerjee govt?

The three-day showdown between CBI and Kolkata Police ended with SC's verdict that directed the Kolkata Police chief Rajeev Kumar to join the premier investigating agency's probe in the chit fund scams.

So, is apex court's verdict a blow for Mamata Banerjee, who was on a dharna to defend Kolkata Police chief?