Complex sentence: The Group's principal activity is to manufacture and market cement and clinker for both domestic and export markets.ACL enjoys a reputation of being one of the most efficient cement manufacturers in the world.
Split into simpler sentences: The Group's principal activity is to manufacture and market cement and clinker for both domestic and export markets. Currently (2011) Holcim holds about 50.00% of shares in Ambuja Cements Limited.ACL enjoys a reputation of being one of the most efficient cement manufacturers in the world.