Explanation

• Muhammad Ali Jinnah called a conference in March 20, 1927, and firmed up the "Delhi Muslim Proposal" for political settlement.
• The Delhi Muslim Proposals were a set of constitutional reforms proposed by Jinnah in 1927. 
• The proposals called for the setting up of a federal system in the country, representation of Muslims and non-Muslims in the central government in proportion to their population and the granting of autonomy to provinces.