extension service meaning in Hindi

At present only 23-30 per cent of the farmers are able to derive any benefits of extension services provided by various government agencies and every year about 20 per cent of the crop is lost due to mishandling, spillage, floods, droughts and pests and diseases.
फ़िलहाल, मात्र २३.३०% कृषक विभिन्न सरकारी एजेन्सियों द्वारा प्रदत्त विस्तार सेवाओं का थोड़ा बहुत लाभ उठा पाते हैं और हर साल गलत रख-रखाव, गिर जाने, बाढ़, सूखे, कीड़ों और रोगों के कारण लगभग २०% फसल का नुकसान होता है।

noun.

an educational opportunity provided by colleges and universities to people who are not enrolled as regular students
synonyms：,