Dhaval Patel
Dhaval Patel
Looks like date specific data issue for some of these symbols. "AFFLE" and "TANLA" seem to be returning data for most of the dates. Also getting data for "3IINFOTECH" for...
IEX seems to be returning data for Jan 2022. Are you trying for any specific date range? 
Are you getting a blank data frame for any specific symbol for any specific date range?