wt the problem? they stopped live nifty data or any problem in my location? plz give u recommendation, it should help me out + IB API error message 165 is used now to detect whenever backfill is out there or not (demo account such as won't offer you backfill) https://amibrokerdatafeed42964.prublogger.com/28512439/data-for-amibroker-fundamentals-explained