I have reviewed some of the stocks you listed and was able to retrieve historical data successfully. Please find the details below:
AADHAR HOUSING FINANCE LIMITED (Trading Symbol: AADHARHFC)
Instrument key: NSE_EQ|INE883F01010
Below is the cURL request to obtain historical data for this stock:
AKUMS DRUGS AND PHARMACEUTICALS LIMITED (Trading Symbol: AKUMS)
Instrument key: NSE_EQ|INE09XN01023
Here is the cURL request for fetching historical data for this stock:
BHARTI HEXACOM LIMITED (Trading Symbol: BHARTIHEXA)
Instrument key: NSE_EQ|INE343G01021
Use the following cURL request to retrieve historical data for this stock:
As an observation, I noticed that the stocks you mentioned were listed this year. It’s possible that using older date ranges may be resulting in an empty response.