Nilokheri is a Sub-District (Tehsil/Block/Mandal) in the Karnal District of Haryana. As par Census 2011 information the sub-district code of Nilokheri is 00370. There are about 5 sub-districts in Karnal and Nilokheri is one of them. Assandh, Gharaunda, Indri, Karnal etc. are other sub-districts in Karnal.There are about 76 villages in Nilokheri sub-district, which you can browse from villages list.