(D) Odisha
Odisha was the largest bauxite producing state in India in 2018–19, with a 65% share of total production.
Source: Non-Ferrous Minerals, Chapter 5
The table in the textbook clearly shows Odisha has a 65% share in bauxite production — far ahead of Jharkhand (10%) and Gujarat (9%). For MCQs, always check the data tables in the chapter; examiners directly pick figures from them.