Congress leader Rahul Gandhi's Bharat Jodo Nyay Yatra entered Bihar a day after his party went from being a part of the state's ruling coalition to the opposition, thanks to Chief Minister Nitish Kumar's fifth flip-flop in a decade. After Nitish Kumar's exit from the Bihar 'mahagathbandhan' and his siding with the BJP once again, the big question many are asking - how big a hit has the INDIA block taken with the high-profile exit?