Sources said Sebi has been writing to various regulators in several jurisdictions over the past few weeks regarding the Adani issue The Securities and Exchange Board of India’s (Sebi’s) investigation into the Hindenburg allegations is making slow progress when it comes to obtaining information from overseas regulators, particularly around ultimate beneficial ownerships of certain foreign portfolio investors (FPIs), said people in the know. “Establishing ultimate beneficial ownerships for FPIs is a very complex exercise. Several jurisdictions allow omnibus structures where the end beneficiaries are not required to be captured or are based in some other geographies. This entails writing to different regulators, some of whom may not be entitled to share information due to different pacts,” said a person in the know.Sources said Sebi has been writing to various regulators in several jurisdictions over the past few weeks regarding the Adani issue. Some of the information sought includes b