Bhutto served as the 4th president from 1971 to 1973 and then the 9th prime minister of Pakistan from 1973 to 1977. Under General Zia regime, he was executed on April 4, 1979.
The Sindh government has declared a public holiday in the province on Tuesday, for which a notification was also issued.
The notification said that all public offices, autonomous and semi-autonomous bodies, corporations and local councils under the administrative control of the Government of Sindh will remain closed today, except essential services.
Seminars, public meetings, majalis, dialogue and mushairas will also be held by PPP to highlight the contributions of Shaheed Zulfiqar Ali Bhutto , for which party chairman Bilawal Bhutto Zardari and Co-chairman Asif Ali Zardari have reached Naudero.
All arrangements for the rally have been finalised, while large numbers of PPP workers and supporters have also been arriving in Garhi Khuda Bux to attend the rally.
The rally would start with a Mushaira at 3pm, after which Asif Ali Zardari, Bilawal Bhutto and others will address the PPP loyalists.
The public meeting will be followed by a high-level party meeting at Naudero House. Members of the PPP central executive council will attend the meeting, with party's role in national politics, possible impact of the Panama case verdict, electoral reforms and census on its agenda.
Around 7000 policemen will be deployed for the security of the rally, besides aerial surveillance. Female cops and traffic police personnel will also discharge duties on the occasion