GACL-NALCO Alkalies and Chemicals Private Limited, a State PSU, has proposed an expansion of its existing chlor-alkali plant along with addition of synthetic organic chemical units at Plot No. DII/9/1 & DII/9/2, GIDC Dahej, Taluka Vagra, District Bharuch, Gujarat, on a total project land area of about 39.1 hectares of non-forest land within the notified GIDC Dahej industrial estate; the existing project already holds environmental clearance and is operational across its sanctioned components, while the current proposal covers augmentation of chlor-alkali capacity to 360,000 TPA and addition of synthetic organic chemicals capacity of 144,000 TPA, with product-wise capacity additions spanning chlorine gas, caustic soda (lye/prills/flakes), hydrochloric acid (100% and 32%), sodium hypochlorite, hydrogen gas, chlorinated polyethylene, chlorinated paraffin wax, ammonium sulfate, diluted sulfuric acid and mono chloro acetic acid, supported by an expanded coal-based captive power plant; the total project cost is estimated at about ₹2,494.29 Crore, comprising ₹1,992.09 Crore for the existing project and ₹502.20 Crore for the proposed expansion/modernization, and is expected to generate around 100 additional permanent jobs (taking total permanent employment to 916) besides temporary construction employment of about 16,500 man-days; the expansion is likely to involve installation of additional electrolyzers, chlorine liquefaction and handling systems, evaporators and causticizing units, acid concentration and storage systems, chlorination/chlorinated-derivative reactors, effluent treatment and zero-liquid-discharge infrastructure, and captive power generation equipment typical of a large integrated chlor-alkali and downstream chemicals complex. The company start the construction Activity on January 2027 and end on March 2028