Sentence 1: A Khap is a clan , or a group of related clans , mainly under the jats of the eastern Uttar Pradesh and Western Haryana .
Sentence 2: A Khap is a clan , or a group of related clans , mainly among the Jats of eastern Uttar Pradesh and western Haryana .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?