Ahmedabad, June 19 (SocialNews.XYZ) Ambuja Cements and ACC, the cement and building materials companies of the diversified Adani Portfolio, have achieved a landmark sustainability milestone as the leading two Indian cement companies amongst peers to have their net-zero targets validated by the Science Based Targets initiative (SBTi), it was announced on Thursday. The SBTi’s 'Corporate Net-Zero Standard' is the world’s only framework for corporate net-zero target setting in line with climate science.