बताना है

have to tell

→ बताना
phrase Very common #445
have to tell The infinitive बताना followed by है expresses a need or obligation to tell someone something.
HI: मुझे उसे सच बताना है।
EN: I have to tell him the truth.

सच बताना है?

Do you have to tell the truth?

— Monica, O My Darling (2022)

मुझे इतना ही बताना है।

I only need to tell you this much.

— Roma (2018)

लेकिन पहले, कुछ है जो मुझे तुम्हें बताना है।

But first, there’s something I need to tell you.

— 風立ちぬ (2013)

पुलिस को नहीं बताना है।

Don’t tell the police.

— Jab We Met (2007)

तुम्हें हमे बताना है?

Do you have to tell us?

— రాజా ది గ్రేట్ (2017)

बता दो जो बताना है।

Just tell me what you have to say.

— Jawan (2023)

और वही तो उन्हें बताना है।

And that's exactly what we have to tell them.

— Jab We Met (2007)