Which one of the following statements is not correct ?

Statement 3 is incorrect because the Ratnagiri bauxite mining area is located in the state of Maharashtra, not Karnataka. Ratnagiri is part of the Konkan belt in Maharashtra and is a significant producer of bauxite alongside other districts like Kolhapur, Pune, and Satara [2]. While Karnataka is a minor producer of bauxite, the Ratnagiri deposits are specifically associated with Maharashtra's mineral wealth [2]. Regarding the other options: Kerala is indeed the largest producer of natural rubber in India, accounting for approximately 74% to 90% of total production. Neyveli is a major thermal power generating hub in Tamil Nadu, utilizing local lignite deposits for electricity generation. Assam remains the largest tea-producing state in India, contributing significantly to the national output [2].

Sources

1. [1] INDIA PEOPLE AND ECONOMY, TEXTBOOK IN GEOGRAPHY FOR CLASS XII (NCERT 2025 ed.) > Chapter 5: Mineral and Energy Resources > Bauxite > p. 57
2. [2] Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 7: Resources > Source: Statistical Outline of India, 2017–18. > p. 19