Congress leader Rahul Gandhi's 'Bharat Jodo Nyay Yatra' will enter Bihar on January 29 and cover four districts in three days during which top INDIA bloc leaders may join him for public meetings, the party announced here on Monday. Addressing a press conference at the historical Sadaqat Ashram, the Bihar Pradesh Congress Committee headquarters, senior leader and MLC Prem Chandra Mishra said that Gandhi will reach Kishanganj district from Siliguri in West Bengal, and after interacting with the public and a night halts, leave for Purnea a day later. "In Purnea, a big rally has been planned. Invites have been sent to our alliance partners like Chief Minister Nitish Kumar who has agreed to come. In the event of his getting caught up elsewhere, the JD(U) president has assured that a senior leader will be sent to represent his party," said Mishra. An invitation has been extended to RJD supremo Lalu Prasad, a staunch ally of the Congress, "who may attend the rally in Purnea, or at Katihar