HOW TO GET PRIVATE_GROUP_ID
ASTRO-UBHello.... Follow the Steps Shown below to Get your CORRECT Private_Group_ID
Step 1. :-> Create a new private group

Step 2. :-> ADD @Lovishmanager_bot IN your Group.

Step 3. :-> Go to Group Settings..

Step 4. :-> Change a simple Group Settings...

Step 5. :-> Change the Chat Visible into Visible from Hidden..

Last Step. :-> AS YOU CHANGED THAT CLICK ON TICK MARK...
AND IN GROUP USE /id The Bot will Provide You a Chat_id...
~Note:- Your Chat_id Must Starts from -100