Complex sentence: The piece of land in question belonged jointly to Dada Khachar and his uncle Jiva Khachar, however Jiva Khachar refused to part with his share of the land.
Split into simpler sentences: The piece of land in question belonged jointly to Dada Khachar and his uncle Jiva Khachar. But unfortunately, Jiva Khachar refused to part with his share of the land.