सहकार क्षेत्रातील शासकीय व राजकीय हस्तक्षेप कमी करण्यासाठी केंद्र सरकारने 97 वी घटना दुरुस्तीची पासून अंमलबजावणी करण्यास सांगितले.

The correct answer is Option B (15 February 2012).

Key Points:
• The 97th Constitutional Amendment Act, 2011 marked a watershed moment for the cooperative sector in India by giving constitutional status and protection to cooperatives.
• It added Part IX-B to the Constitution, guaranteeing the right to form cooperatives as a fundamental right (Article 19) and including Directive Principles relating to cooperatives (Article 43B).
• The Central Government notified the enforcement of this amendment starting from 15 February 2012 to ensure democratic, autonomous, and professional functioning of co-operative societies across states.
• Options (1), (3), and (4) represent other notable national dates but do not mark the enforcement date specified for this crucial amendment.
• The objective was to eliminate arbitrary supersession of boards and curb excessive political and bureaucratic interference.
• Key Takeaway: The 97th Constitutional Amendment was implemented from February 15, 2012.