Detailed Explanation:

✅ Statement 1 – Correct: Regional Rural Banks (RRBs) provide direct credit assistance to rural households, including small and marginal farmers, agricultural laborers, and rural artisans.

❌ Statement 2 – Incorrect: NABARD is an apex development bank that provides refinance facilities to banks and financial institutions; it does not grant direct credit to rural households except through limited pilot schemes.

✅ Statement 3 – Correct: Land Development Banks (State Cooperative Agriculture and Rural Development Banks) provide long-term direct credit to farmers for land development, irrigation, and agricultural improvements.