Tamil keyboard is not working properly letters overlapping one another in terminal

Ubuntu terminal has this problem so I switched to linux mint but I am facing same problem as here

I can able to browse using Tamil keyboard
Code editor work well in Tamil letters but I can’t be used well Tamil letters in terminal.
Actually it it’s work but letters overlap one another

Ubuntu default terminal, konsole terminal, jupyter lab terminal this all the alternatives i am tried But every terminal has this same issue

Someone help me to resolve this issue

இங்கே உள்ள தகவல் உங்களுக்கு உதவலாம்.