It’s easy to mistake Biplab Kumar Deb, 48, as an ordinary next-door neighbour. The chief minister of Tripura betrays neither his age nor the political weight he has come to acquire since his Bharatiya Janata Party-led coalition wrested power last February in this northeastern state, routing the long-entrenched Left Front. At the helm of a once insurgency-riddled state, currently plagued by underdevelopment and unemployment, Deb faces stiff challenges. But he, who not long ago regularly trained with weights in the gym, is confident that Tripura will be back in shape soon. He spoke to Editor Ruben Banerjee about his plans. Excerpts…