Bihar polls: Tejashwi Yadav apologises for 'mistakes' during RJD's 15-year tenure

Rashtriya Janata Dal (RJD) leader Tejashwi Yadav on Thursday apologised for committing any mistakes during RJD's 15 years in power in Bihar but also said that nobody can deny that party supremo Lalu Yadav did not do social justice.