Patna: Preparations for Bihar assembly elections have reached the final stage. All political parties are engaged in vigorous publicity. The party leaders are campaigning with full strength. At the moment big news is coming out of Nalanda. Rashtriya Janata Dal (RJD) leader Tejasvi Yadav's helicopter has been technically defective due to which his helicopter is unable to fly. Leader of opposition Tejasvi Yadav has been staying at Islampur in Nalanda district after a technical glitch in the helicopter. It is said that further public meetings will be addressed through stunning mobiles. Earlier on Sunday, Tejasvi addressed a public meeting at Lakhisarai. He then addressed an election rally in Nawada and Gaya. After campaigning in these districts, RJD leader and former Deputy CM of Bihar, Tejasvi Yadav went straight to Nalanda, where his helicopter got damaged. After addressing a public meeting in Nalanda district, Tejasvi was about to reach Rohtas, Ara, Piro and Jagdishpur. But as the helicopter is damaged, he will address these 3 public meetings through mobile. Also Read- Nitish attacks opposition in Madhubani, says The era of lantern is over, now everyone is using electricity Omar Abdullah's attack on Ravi Shankar Prasad, says, 'Do not guess Supreme Court's decision on 370' Rahul slams RSS chief Bhagwat, says, 'You also know the truth, China usurped land'