Correct Answer:
A. Dec 07, 1967
The Land Revenue Act is a pivotal piece of legislation governing land administration and taxation. The correct enforcement date for this act is December 07, 1967. This date marks the official commencement of the act, establishing the legal framework for land revenue collection and management. Options B, C, and D are incorrect because they either state the wrong day or the wrong year. The specific date of December 7, 1967, is crucial for understanding the historical and legal context of land revenue in the region.