Step 1: Understand what the UDISE and NITI Aayog report tracks.
It measures how many children drop out of primary school across different Indian states.
Step 2: Eliminate the states with known higher dropout figures.
Manipur, Punjab and Chhattisgarh continue to report some level of primary dropouts in the same report.
Step 3: Recall the state that achieved zero dropouts.
Jharkhand was recognized in the 2026 report for achieving 0% primary school dropouts, a notable improvement in its education outcomes.
\[ \boxed{\text{Jharkhand}} \]