The most humbling lessons of anti-incumbency, however, came from West Bengal, where the BJP finally fulfilled its ambition of ousting Mamata Banerjee’s TMC after the latter’s 15 years in power​The most humbling lessons of anti-incumbency, however, came from West Bengal, where the BJP finally fulfilled its ambition of ousting Mamata Banerjee’s TMC after the latter’s 15 years in power ​Latest News [ SOBAN NEWS: International and National ]