The correct answer is (b) Pratapgarh District.
Aonla is a type of gooseberry that is grown in many parts of India, including Uttar Pradesh. The highest production of aonla in Uttar Pradesh comes from Pratapgarh District. In 2019, Pratapgarh District produced 1.2 million metric tons of aonla, which was more than any other district in the state.
The other options are incorrect. Rae Bareli District produced 0.8 million metric tons of aonla in 2019, Sultanpur District produced 0.6 million metric tons, and Faizbad District produced 0.5 million metric tons.
Aonla is a popular fruit in India and is used in many different dishes. It is also used to make a variety of products, including aonla juice, aonla jam, and aonla chutney.