To trip and drop to the ground.

To collapse or lose balance.

जमीन पर गिरना

English Usage: She tripped and fell over while running.

Hindi Usage: वह दौड़ते समय गिर गई।

To change one's position suddenly or unexpectedly.

अचानक स्थिति बदलना

English Usage: He fell over in surprise when he saw the party.

Hindi Usage: पार्टी देखकर वह आश्चर्य में गिर पड़ा।