yes you can raise a one consolidated invoice in a day. But condition apply that all sales are done to only unregistered dealer / person. it can be done
As per Rule 46 of CGST Act : Consolidated invoice can be issued when following conditions fulfilled: 1. Goods & Services supplied to Recepient less then 200/- 2. The Recepient is not Registered person 3. The Recepient does not require such Invoice.