Promoters of the Adani Group have increased their stake in the conglomerate's flagship company, Adani Enterprises, by 2.22% through open-market purchases, as per a regulatory filing. Kempas Trade and Investment, a promoter group company, acquired 2.53 crore shares of Adani Enterprises between August 7 and August 18, raising the promoters' overall stake in the company to 69.87%.