Himatsingka Timber Private Limited · Fund Flow Investment & Trading Co Ltd · Subarna Plantation & Trading Co Ltd · New Look Investment (Bengal) Ltd · Prabhushil Group Investment Limited · Khatu Investment & Trading Co Ltd · Aashna Marketing Private Limited · Nilgiri Niketan Private Limited · Red Hot Mercantile Private Limited · Kajalgaon Carbon Private Limited · Budge Budge Carbon Ltd · Assam Carbon Products Ltd · Burlington Investments Pvt Ltd · Shakun Chemicals Pvt Ltd · India Carbon Limited · Assam Plywood Ltd · B H Enterprises Private Limited · Subhag Properties Private Limited · Subhag Projects Private Limited · Jyotsana Investment Co Ltd · Kallol Investments Ltd · Subhag Mercantile Private Limited