India, March 8 -- C V Ananda Bose' abrupt resignation as West Bengal's Governor amid a major reshuffle and R N Ravi's appointment as his successor whirlpooled into a political slugfest, with chief minister Mamta Banerjee claiming that Bose resigned "under pressure" from the Bharatiya Janata Party, just weeks ahead of state assembly polls.

Bose's unexpected resignation prompted Mamata to claim that the Bengal Governor may have been pressured by Union Home Minister Amit Shah to "serve certain political interests" ahead of the polls.

In a later statement on Saturday, she called incoming Governor Ravi a "BJP cadre" and added on to her previous claim, stating that Bose's exit was the result of pressure from the Centre.

"Have you seen how C ...