You can view the number of companies which have advances, declines or remain unchanged for the past 7 days. The number are provided exchange group wise with an option to select either of the two exchanges (BSE or NSE).
Select Date   
As on 22/01/2021
GroupAdvancesDeclinesNo Change
G 020
GB 12232
IV 110
Nifty 8420
OtherEQ 270106222
Others 719623
SM 312211
T 5915919
Z 10316