In Uttar Pradesh Congress President Sonia Gandhi will be addressing a rally today at Allahabad in the continuation of its celebration of Party`s 125 years of its formation.She will also flag off the last leg of the Congress Sandesh Yatra on this occasion. The Congress has initiated Sandesh Yatra in the state with objective for bringing the people closer to the party.First leg of Yatra was flagged of by the Party`s General Secretary Rahul Gandhi from Ambedkar Nagar district on the birth anniversary of Dr. Bhimrao Ambedkar 14th April this year and it has already covered nearly 300 assembly segments in the state.