Bihar Polls: What is 'lynching' politics against Nitish Kumar?

Watch the video to know why there is 'lynching' politics against Nitish Kumar in Bihar ahead of the polls. Why people are shouting slogans against him in his rallies?
Have a look at the video to know more. 

The Bihar elections for 243 Assembly seats will be held in three phases - for 71 seats on October 28, for 94 seats on November 3, and remaining 78 on November 7. The results will be announced on November 10.