- Adani got coal mine in auction where only other bidder was firm linked to Hindenburg storm | Hindenburg Research put the spotlight on the Adani Group’s relationship with Adicorp, a small Gujarat-based firm. Now, another connection has surfaced. https://scroll.in/article/1046739/adani-got-coal-mine-in-auction-where-only-other-bidder-was-firm-linked-to-hindenburg-storm 69 comments india