NDA led by BJP’s Narendra Modi had swept the 2014 Lok Sabha elections in Bihar winning 31 out of 40 seats in 2014. But they suffered major reversals in the 2015 assembly elections when Lalu Yadav and Nitish Kumar came together for a landslide win. But much water has flown since then. Nitish has switched sides to BJP while RJD has stitched up an alliance with INC, RLSP, HAM and VIP parties. Will the opposition be able to overcome the combined might of Nitish and Modi? Watch this video.