Arunkumar et al., suggest Austroasiatic migrations from Southeast Asia occurred into Northeast India 5.2 ± 0.6 kya and into East India 4.3 ± 0.2 kya.
ˈæɹəŋkjˌuːmɚɹ ˈɛt ˈæl., sədʒˈɛst ˌɔːstɹoʊsɪˈæɾɪk maɪɡɹˈeɪʃənz fɹʌm sˈaʊθiːst ˈeɪʒə əkˈɜːd ˌɪntʊ nˈɔːɹθiːst ˈɪndiə fˈaɪv.tˈuː plˈʌs ɔːɹ mˈaɪnəs zˈiəɹoʊ.sˈɪks kˈaɪə ænd ˌɪntʊ ˈiːst ˈɪndiə fˈoːɹ.θɹˈiː plˈʌs ɔːɹ mˈaɪnəs zˈiəɹoʊ.tˈuː kˈaɪə.