India, Jan. 4 -- Succeeding in the upcoming West Bengal Assembly election is emerging as the most consequential organisational test for newly appointed BJP working president Nitin Nabin, with party leaders privately acknowledging that the outcome will weigh heavily on how his leadership is assessed within the organisation, especially among those senior leaders who believe that he is not the correct choice. West Bengal remains one of the most difficult electoral terrain for the BJP. It has never formed a government there, despite its best efforts in the last one decade.

Current internal assessments within the party, as well as independent political evaluations, indicate that the Mamata Banerjee-led Trinamool Congress retains a clear advan...