As the Australia-India Economic Cooperation and Trade Agreement (ECTA) came into force, Prime Minister Narendra Modi on Thursday described this as a "watershed moment" for Comprehensive Strategic Partnership between the two sides and said it will unlock the enormous potential of trade and economic ties. "Glad that Ind-Aus ECTA is entering into force today. It is a watershed moment for our Comprehensive Strategic Partnership. It will unlock the enormous potential of our trade and economic ties and boost businesses on both sides. Look forward to welcoming you in India soon," PM Modi tweeted.