If you found a "feature" listing a Hindi dub, it is unofficial/fan-made . The official version is only in Telugu (with subtitles) .
If you're noticing a feature or search result for a version, here is the breakdown of why that stands out: Ante Sundaraniki Hindi Dubbed
Would you like to know where to watch the original Telugu version with English subtitles? If you found a "feature" listing a Hindi