In his fourth visit to Bihar ahead the upcoming elections, Prime Minister Narendra Modi laid the foundation stone for several projects worth Rs 9.5 crore on June 20. During the latest visit, he slammed the Rashtriya Janata Dal and Congress, while emphasising that the BJP-led NDA prioritised development. With elections approaching, all eyes are on the winning chances of the NDA, the Nitish Kumar-PM Modi impact, Tejashwi Yadav's attempt to ascend to the chief ministerial throne and Chirag Paswan's solo run in the polls. Let's take a look at the challenges.