New Delhi, Aug. 1 -- US-based Global trading firm Jane Street is reportedly not cooperating with the Income Tax Department in an ongoing investigation against it, according to sources.

Sources told ANI that the company's servers, which are crucial for the investigation, are located outside India, and officials are facing access restrictions.

"Access to the servers is being blocked," one of the sources said.

Additionally, the firm's books of accounts are also maintained outside India, despite Indian company law requiring them to be kept within the country. This has created further hurdles in the probe.

The said sources also pointed out that the US-based proprietary trading firm, has only a minimal staff presence in India, and even thos...