Concept: Operation Blackboard is a government scheme launched in 1987‑88 under the National Policy on Education (NPE) 1986 to improve infrastructure and teaching resources in primary schools.
Explanation: The NPE 1986 was announced to modernise India’s education system.
Operation Blackboard was one of its key programmes aimed at ensuring minimum facilities in every primary school.
The scheme provided at least two teachers, a separate room for each class, gender‑segregated toilets, and teaching‑learning materials.
Thus, this scheme directly came from the recommendations of the NPE 1986.
Answer: Option C – National Policy on Education – 1986 (NPE – 1986)