Some of the states/union territories that follow the 5th -7th class of middle stage are Assam Goa Gujarat Karnataka Kerala Dadra & Nagar Haveli Daman & Diu Lakshadweep etc. Some of the states/union territories that follow the 8th -10th class of secondary stage are Goa Gujarat Karnataka Kerala Dadra & Nagar Haveli Daman & Diu Lakshadweep etc. Some of the states/union territories that follow the 9th -10th class of secondary stage are Punjab Rajasthan Sikkim Tamil Nadu Andaman & Nicobar Islands Chandigarh Delhi Karaikal region of Pondicherry etc. Source: https://www.artikelschreiber.com/en/.