 They are known to have developed Judeo-Malayalam, a dialect of Malayalam language.Since the late 20th century, some tribes in the Indian North-Eastern states of Mizoram and Manipur have been claiming that they are Lost Israelites and they have also been studying Hebrew and Judaism.The chief rabbi of Israel ruled in 2005 that the Bnei Menashe was recognized as part of a lost tribe, allowing aliyah after formal conversion.