Correct option is D
Assam Valley and Cachar are the two major tea-producing regions within the state of Assam, which is India's top tea-producing state.
The southern part of India, particularly Tamil Nadu and Kerala, contributes around 17% of India's total tea production.
India is the largest consumer of tea globally.
• India contributes approximately 23% to global tea production.
• Tea Board of India: Established in1953; headquartered in Kolkata.
• Assam alone accounts for more than 50% of India’s tea production.
• India exports tea to over 50 countries, with Russia, Iran, UAE, and UK being top importers.
• The Tea Board of India regulates and promotes the Indian tea industry under the Ministry of Commerce and Industry.