The First Plant for manufacturing of rayon yarn was established at Tribeni, District Hooghly, West Bengal and the same was commissioned in December, 1959 and the second plant was commissioned in the year 1962 enabling it to manufacture 4,635 metric tons per annum (mtpa) of rayon yarn. This Unit has 6,500 metric tons per annum (mtpa) capacity as on 31.3.2009.
 
The plant for manufacturing of transparent paper was also set up at the same location at Tribeni, District Hooghly, West Bengal, in June, 1961. It has the annual capacity to manufacture 3,600 metric tons per annum (mtpa) of transparent Paper.
 
The Company diversified into manufacturing of cast iron spun pipes and pipe fittings at Bansberia, District Hooghly, West Bengal, with a production capacity of 45,000 metric tons per annum (mtpa) of cast iron spun pipes and pipe fittings in December, 1964.
 
The Company subsequently diversified into the manufacturing of Cement and in 1969 established its first cement plant under the name 'Kesoram Cement' at Basantnagar, Dist. Karimnagar (Andhra Pradesh) and to take advantage of favourable market conditions, in 1986 another cement plant, known as 'Vasavadatta Cement', was commissioned by it at Sedam, Dist. Gulbarga (Karnataka). The cement manufacturing capacities at both the plants were augmented from time to time according to the market conditions and as on 31.3.2009 Kesoram Cement and Vasavadatta Cement have annual cement manufacturing capacities of 1.5 million metric tons and 4.1 million metric tons respectively.
 
The Company in March 1992, commissioned a plant at Balasore known as Birla Tyres in Orissa, for manufacturing of 118 metric ton per day automotive tyres and tubes in the first phase in collaboration with Pirelli Ltd., U.K., a subsidiary company of the world famous Pirelli Group of Italy - a pioneer in production and development of automotive tyres in the world. The capacity at the said plant was further augmented during the year by 19 MT per day aggregating to 271 MT per day production facility.
 
The Greenfield Project of 257 MT per day capacity in the State of Uttarakhand with a capex of about Rs.760 crores commenced the commercial production in phases during the financial year 2008-09.The Company as on 31.3.2009 had the manufacturing capacities of 3.71 million tyres, 2.95 million tubes and 1.53 million flaps per annum in the Plants including at Uttarakhand Plant.
 
It has small manufacturing capacities of various Chemicals at Kharda in the State of West Bengal also. It has the annual manufacturing capacities of 12,410 mtpa of Caustic Soda Lye, 5,045 mtpa of Liquid Chlorine, 6,205 mtpa of Sodium Hypochlorite, 8,200 mtpa of Hydrochloric Acid, 3,200 mtpa of Ferric Alum, 18,700 mtpa of Sulphuric Acid and 1,620,000 m3pa of purified Hydrogen Gas.