As West Bengal inches towards the assembly elections, the Central Bureau of Investigation team has gotten active.
On Sunday, the CBI served a notice on Trinamool Congress MP Abhishek Banerjee's wife and sister-in-law to join the probe in the coal pilferage case.
Abhishek is Trinamool supremo and Bengal Chief Minister Mamata Banerjee's beloved nephew.
The Bharatiya Janata Party has already drawn a number of TMC leaders to its ranks, even declaring an unprecedented embargo on future defectors.
Is the CBI notice the BJP's second salvo at Mamata, this time hoping to strike closer home?
Dominic Xavier offers his take on the latest episode in the BJP's Mission Bengal.