CBI vs Kolkata Police: In the fierce contest between Mamata Banerjee-led West Bengal government and Centre, Congress chief Rahul Gandhi, Samajwadi Party (SP) president Akhilesh Yadav, Bahujan Samaj Party (BSP) supremo Mayawati, Andhra Pradesh CM Chandrababu Naidu, RJD leader Tejaswi Yadav and NCP head Sharad Pawar expressed solidarity to TMC chief Mamata Banerjee on Sunday. West Bengal Chief Minister has stagged a protest in central Kolkata against Prime Minister Narendra Modi-led NDA government saying National Security Advisor Ajit Doval gave instructions to the CBI at the behest of PM to arrest Kolkata police chief Rajeev Kumar in relation to 2 Ponzi schemes.