According to leading commentators, even before the word 'Socialist' was added in 1976, the Indian Constitution had a socialist content reflected mainly in:
A.
The Directive Principles of State Policy (Part IV)
During the Constituent Assembly debates, who opposed the inclusion of 'Socialist' in the Preamble, arguing that socialist principles were already implicit in the Constitution through Fundamental Rights and Directive Principles?
Which member of the Constituent Assembly had specifically moved an amendment seeking to insert 'Socialist' in the Preamble at the time of the original drafting?