The starting point
Traditional Teen Patti uses a 52-card deck and gives each player three cards. Begin by identifying the card ranks and suits.
Follow a demonstration
Ask the host to explain the chosen rules before the first hand. Use a slow demonstration and pause whenever the next action is unclear.
Observe before acting
Note the turn indicator, available actions and where the rules can be opened. Ask what happens when an action is selected and whether a confirmation appears.
Learn without rushing
Use a tutorial or a practice session to explore the controls. This site explains the game but does not provide multiplayer rooms.
Rule reference
https://www.pagat.com/vying/teen_patti.html