Real time OI data to excel/google sheets

Hi…Unable to import data from “”(NSE option data) to excel…The excel recently showing error msg like “Underlying connection was closed and an unexpected error occurred on receive”…Does anybody know how to fix it ???..Since it is not working I tried to import it google sheets, it also shows same result…Tried =importhtml(“NSE option data URL”,“table”,1)…Does anybody have any idea…Thank you.