Hi, today after market hours i tried it, before when i tried it data was updating in amibroker, but there ws problem with time on chart. now i have tried it with some chnge in setting while creating new database in amibroker. in intraday settings , there is field for time shift in Per-database settings. there i m entering -15. after doing above settings when i tried backfill for 1 min for single symbol. it successfully downloaded the data for one day with proper timings. now tomorrow i have to see at 9:00 am this settings are how responding in real time quotes downloading.