Lok Janshakti Party leader Ram Vilas Paswan, now allied with the BJP, will camp in Jamui from where his son Chirag Paswan is contesting the Lok Sabha battle.
Ram Vilas Paswan is contesting for his traditional Hajipur seat.
According to Congress leaders here, party vice president Rahul Gandhi will visit Bihar and address public meetings for the second phase of the polls April 17.
Rahul Gandhi will address rallies in Samastipur, Muzaffarpur and Supaul constituencies.
Besides Modi, other leading campaigners for the BJP will include party president Rajnath Singh, L.K. Advani, Sushma Swaraj and Madhya Pradesh Chief Minister Shivraj Singh Chouhan.