Pranagraf Materials & Technologies Private Limited · Treadspin Retreaders Private Limited · Tirupati Carbons & Chemicals Private Limited · Safearth Clean Technologies Private Limited · Haritmay Ventures Llp · U00310 Jh1990 Ptc004240 · Tirupati Engicon Private Limited · Chotanagpur Graphite Private Limited · Adyayan Industries Private Limited · Pranagraf Advanced Materials Private Limited