Something happening from time to time, not regular.

कभी-कभी होने वाला

English Usage: The occasional element in her routine kept things interesting.

Hindi Usage: उनकी दिनचर्या में कभी-कभी होने वाला तत्व चीजों को दिलचस्प रखता था।

A part or aspect of something, especially one that is essential or characteristic.

एक महत्वपूर्ण भाग या पहलू

English Usage: The occasional element of surprise made the event memorable.

Hindi Usage: कभी-कभी आश्चर्य का तत्व घटना को यादगार बनाता था।