Identify the odd one with regard to the persons involvement in preparing Indian Constitution

Who among the given persons, was not involved in the preparation of Indian Constitution?

The members with which Indian Constituent Assembly formed

The number of Constituent Assembly seats allotted to the Princely States was

The percentage of members of the Indian National Congress party in the Constituent Assembly was

The percentage of voters who participated in the election to the Constituent Assembly was

The Drafting Committee was appointed on

Which of the following is not in the preamble?

The ${26}^{th}26^\{th\}$ state of India

Fundamental duties of Indian Constitution were adopted from