The following points may help you:
a. The Constituent Assembly was an elected body tasked with framing of Constitution for Independent India.
b. Elections to the Constituent Assembly took place in July 1946, whereby the elected members of the Provisional legislative Assembly elected members of Constituent Assembly by proportional representation system.
c. Thus, members were elected in an indirect manner.
d. Before the Partition the Constituent Assembly was supposed to have 389 which was later reduced to 299,out of which 284 were actually present  who gave their assent when the Constitution was passed.e. Some of the members were Pt. Nehru, Maulana Azad, B.R Ambedkar, Dr. Rajendra Prasad,Dr. Sanchidanand Sinha, C. Rajagopalachari, Rajkumari Amrit Kaur,Harendra Coomar Mukherjee

Formation of the Constituent Assembly

The Constituent Assembly of India was formed to draft the Constitution of India after the country gained independence from British colonial rule. The process of forming the Constituent Assembly can be divided into three key phases: demand, election, and composition.

Demand for a Constituent Assembly

1. Long-standing demand: The demand for a Constituent Assembly in India can be traced back to the early 20th century when the Indian National Congress and other nationalist leaders began advocating for self-governance and constitutional reforms.

2. The Nehru Report: In 1928, the Indian National Congress appointed a committee under the leadership of Motilal Nehru to draft a constitution for India. The report, known as the Nehru Report, included the proposal for a Constituent Assembly to draft the constitution.

3. Demand during the Quit India Movement: During the Quit India Movement in 1942, the demand for a Constituent Assembly gained momentum as the Indian National Congress and other political parties insisted on a body representative of the Indian people to determine the future constitution.

Election of the Constituent Assembly

1. Simultaneous elections: In 1945, the British government agreed to hold elections for the Constituent Assembly. The elections were conducted on the basis of universal adult suffrage, and members were elected from various provinces and princely states.

2. Provincial representation: The majority of the members were elected by the provincial legislative assemblies, while the princely states nominated their representatives. The election took place in 1946.

Composition of the Constituent Assembly

1. Members: The Constituent Assembly consisted of a total of 389 members. Of these, 292 were elected from the provinces, 93 from the princely states, and 4 from the Chief Commissioner's provinces.

2. Representation: The members of the Constituent Assembly were representatives of diverse sections of Indian society, including different religions, castes, regions, and communities. The assembly aimed to ensure broad representation for all segments of the population.

3. Leadership: Dr. Rajendra Prasad was elected as the President of the Constituent Assembly, while B.R. Ambedkar served as the Chairman of the Drafting Committee responsible for preparing the final draft of the Constitution.

Conclusion

The Constituent Assembly of India was formed as a result of the long-standing demand for a representative body to draft the country's constitution. Through a process of demand, election, and composition, the assembly was able to bring together diverse voices and ultimately draft the Constitution of India, which has served as the foundational document for the world's largest democracy.