Congress President Sonia Gandhi and Vice President Rahul Gandhi will address a rally in Nagpur today to mark culmination of 125th birth anniversary celebrations of the Architect of Indian Constitution Bharat Ratna Dr. B.R. Ambedkar. Both the leaders will arrive in Nagpur later in the day and visit the sacred Deekshabhoomi to pay tributes to the great leader, where Dr. Babasaheb Ambedkar had embraced Buddhism along with the thousands of followers on October 14, 1956.<br/><br/>After a brief interaction with the important party functionaries at Ravi Bhavan, they would proceed to the historic Kasturchand Park ground and address the public rally to mark conclusion of 125th birth anniversary celebrations arranged by the party. Former Prime Minister Dr. Manmohan Singh would also address the gathering.