Patna, Nov 13 (UNI) Leader of Opposition in the Bihar Assembly and working national president of the Rashtriya Janata Dal (RJD), Tejaswi Yadav, Friday launched an attack on the NDA government over the law and order situation in the state, alleging that government patronage had emboldened some ruling alliance legislators and ministers. He claimed that the law and order situation in Bihar was a matter of serious concern, alleging that some NDA legislators were involved in incidents of encroachment on public and government land, murder of officials, corruption, extortion, robbery and dacoity. However, he did not cite any evidence to…