India's tea production rose by 12.59 per cent to 156.70 million kg in September on account of higher output in southern regions and West Bengal.
The output stood at 144.11 million kg in the same month last year, the Tea Board said in an estimate.
The combined output of brew in South Indian states of Tamil Nadu, Kerala and Karnataka increased by 55.57 per cent to 23.88 million kg from 15.35 million kg during the period under review.
In West Bengal, production of brew in September increased by 10.66 per cent to 41.72 million kg from 37.70 million kg in the year ago period.
However, in Assam, the largest tea producing state in the country, production marginally declined by 0.75 per cent to 87.84 million kg from 88.50 million kg in the year ago period.
Assam and West Bengal are the two major tea-producing states with their combined production accounting for 85 per cent of the output in September.
India is the world's second-largest producer and the biggest consumer of tea.
The country's tea production increased 3.62 per cent to 1,135 million kg in 2012-13 while output stood at 1,095 million kg in 2012.