Home Minister Rajanth Singh today downplayed senior BJP leader Yashwant Sinha's criticism about economic situation saying one should not forget that India is world's fastest growing economy. <br/><br/>Replying to a media query over Mr. Sinha's article, Mr. Singh said the India has established its credibility in the international arena at economic fronts.<br/><br/> Former Finance Minister Yashwant Sinha in an article in an English daily, criticised Finance Minister Arun Jaitley over the current situation of the economy.