In the policy for popularisation of elementary education, some into all projects were amended.

In the policy for popularisation of elementary education, some into all projects were amended. (a) 1978–79 (b) 1998–2010 (c) 1972–80 (d) 1951–1956 ✅ (b) 1998–2010 Explanation: The 1998–2010 policy strengthened elementary education projects to expand access and improve quality.