New Delhi, Nov. 22 -- Six non-BJP-ruled states did not participate in the maiden State Educational Achievement Survey conducted by national assessment regulator PARAKH earlier this month, the education ministry said in a statement on Tuesday.

The six states are Chhattisgarh, Delhi, Odisha, Punjab, Rajasthan and West Bengal.

The survey, aimed at identifying areas requiring improvement in school teaching and learning, was carried out on November 3 to understand the baseline performance in the development of the competencies at the end of the foundational, preparatory, and middle stages. It also assessed educational competencies among students at the block level at grades 3, 6, and 9.

"This extensive survey covered approximately 80 lakh s...