In Indian and Pakistani populations, TCF7L2, FTO, PPARG2, IRS1, SLC30A8, CDKN2A, HHEX, CDKAL1, EXT2, ADIPOQ, IGF2BP2, WFS1, LOC387761, CAPN10, CDKN2B, MTHFR, KCNJ11, SGCG, ADAM30, THADA, GCK, LOC646279, TCF-2/ HNF1B, NOTCH2, VEGFA, and HOMA-β genes were found to be associated with T2D pathogenesis [3]. Here, HNF1B is linked to type 2 diabetes mellitus.