Complex sentence: In 1947, upon Partition of India, the Jagirdars of Babariawad, mainly Hindu Chiefs from Kathiawar and Rajput clans like Babaria and others, along with other principality of Mangrol declared their independence from Junagadh and accession to Union of India.
Split into simpler sentences: In 1947, upon Partition of India, the Jagirdars of Babariawad, who were mainly Hindu Chiefs from Kathiawar region belonging to the Rajput clans like Babaria and others. They along with other principality of Mangrol declared their independence from Junagadh and declared their accession to Union of India.