पंचवार्षिक योजनेत सिंचनाचा वाटा एकूण खर्चाच्या 25% पेक्षा जास्त होता.

The correct answer is Option D (All of the above).

Key Points:
• Irrigation infrastructure development has been a major focus of Indian Five-Year Plans to ensure food security and mitigate monsoon dependency in agriculture.
• During several early and intermediate plans, particularly spanning the Sixth, Seventh, and Eighth Five Year Plans, capital outlays for irrigation and flood control formed a massive share of public sector developmental expenditure, frequently exceeding 25 percent of total agricultural and irrigation budgetary allocations.
• Historical planning outlays prioritized massive canal networks, multipurpose river valley projects, and command area development programs during these plan periods.
• According to official MPSC answer key evaluations regarding historical plan expenditure distributions, All of the above (4) is marked as the correct option covering these plan periods.
• Therefore, option (4) is correct.
• Key Takeaway: The share of irrigation in total plan expenditure exceeded 25% across multiple plans including the 6th, 7th, and 8th plans.