Bihar CM Nitish Kumar and RJD leader Tejashwi YadavPatna: Rashtriya Janata Dal (RJD) leader Tejashwi Yadav on Tuesday launched a blistering attack on Bihar Chief Minister Nitish Kumar, accusing him of killing democracy in the Assembly by dictating the custodian of the House (Speaker). Yadav’sstrong comments came a day after Kumar and Assembly Speaker Vijay Kumar Sinha entered into a heated exchange of words in the House on March 14 over the investigation of the Lakhisarai case. Criticising the chief minister, the RJD leader said pointing fingers at the Speaker and giving lessons about Constitution is unacceptable. He demanded Kumar’s apology in the Bihar Assembly.