What are the benefits of implementing 'Integrated Watershed Development Programme'? 1. Prevention of soil run-off. 2. Connecting the perennial rivers of the country with the seasonal rivers. 3. Rain-water harvesting and ground-water recharge. 4. Regeneration of natural plants. Select the correct answer using the code given below :

• A. केवल 1,3 और 4
• B. 1,2,3 और 4
• C. केवल 2,3 और 4
• D. केवल 1 और 2