ITM bought put expiry

I had a Bull put spread 125 put sell and 120 put buy for SAIL for Jan’24 expiry. On expiry (Yesterday-25/01/24), I have squared off sold put (of 125 strike) but could not square off bought put of 120 strike. The closing price of SAIL was 119.1. Received a message from zerodha that this trade will be physically settled. The lot size of SAIL is 8000 and I have 6100 shares in my account. Will zerodha buy the balance 1900 shares and settle? At what price it will be bought? When will I know at what price these are bought?AFTER BUYING , how much will be credited to my account?