Indicating the agent performing an action.

द्वारा

English Usage: She was praised by her colleagues.

Hindi Usage: उसकी तारीफ उसके सहकर्मियों द्वारा की गई।

To arrange or systematize.

व्यवस्थित करना

English Usage: The event was organised by a local charity.

Hindi Usage: यह कार्यक्रम एक स्थानीय चैरिटी द्वारा व्यवस्थित किया गया था।

A group of people organized for a particular purpose.

संगठन

English Usage: The organisation is dedicated to environmental conservation.

Hindi Usage: यह संगठन पर्यावरण संरक्षण के लिए समर्पित है।