Nagorik Committee is organizing the rally where Prime Minister Sheikh Hasina will attend it as the chief guest.
Dhaka University Emeritus Professor Dr Anisuzzaman will preside over the rally at 2:30 pm.
The United Nations Educational, Scientific and Cultural Organisation (UNESCO) recognised the historic 7th March Speech of Bangabandhu as part of world's documentary heritage on October 31.
UNESCO Director General Irina Bokova announced it saying the historic 7th March speech of Bangabandhu has been included in the Memory of the World International Register, a list of world's important documentary heritage maintained by the UNESCO.
Nagorik Committee has taken all preparations to make the rally a success.
Awami League General Secretary and Road Transport and Bridges Minister Obaidul Quader today visited Suhrawardy Udyan to see the preparations for the rally.
During the visit, the AL general secretary told journalists that the rally organized by Nagorik Committee is not any "counter political rally".
Housing and Public Works Minister Engineer Mosharraf Hossain, AL Joint General Secretary Jahangir Kabir Nanak, State Minister for Textiles and Jute Mirza Azam, AL Organizing Secretary AKM Enamul Haque Shamim and Cultural Affairs Secretary Ashim Kumer Ukil, among others, accompanied Quader.
The ruling Awami League is set to showdown its political strength through rallies and various programmes in the coming weeks, party sources said.
They said they will gather a huge number of people at tomorrow's grand rally at Suhrawardy Udyan to highlight its popularity.
Earlier on Wednesday, AL central committee organized a meeting at the party president's Dhanmondi office to make the grand rally a success.
AL lawmakers from Dhaka and leaders of associate organisations attended the meeting.
AL General Secretary Obaidul Quader, in the meeting, directed all leaders and lawmakers to gather a huge number of people in the rally.
A meeting was also held at Prime Minister's Political Advisor HT Imam's house on November 13, while AL Dhaka City South unit held another meeting last week to make the rally a success.