alter theory meaning in Hindi

Examples

1. The find could alter theories of how the solar system evolved and where some comets came from.
2. Scientists said the finding could dramatically alter theories about the pace of early mammals'global advance in the waning days of the dinosaurs more than 65 million years ago.
3. Thousands of dot-like indentations engraved on a group of monoliths could be the world's oldest rock art and the discovery of other artifacts could radically alter theories about early human life, archaeologists said Saturday.