Rashtriya Janata Dal (RJD) chief Lalu Prasad Yadav, who returned to Bihar after almost three-and-half- years, campaigned for his party on Wednesday for the upcoming by-polls to two assembly seats. While addressing a rally in Tarapur, Lalu Yadav launched a scathing attack on the Modi government. Watch Lalu Prasad Yadav's speech here.