It's very common to speak up to 3 or 4 languages very fluently in India - maybe English, your mother tongue, whatever the regional language is and maybe Hindi.

It's very common to speak up to 3 or 4 languages very fluently in India - maybe English, your mother tongue, whatever the regional language is and maybe Hindi. It's very possible all of the last three are Hindi, but rare. Also very rare for anyone too speak just one language. Two is the norm.