Dandai is one of the administrative blocks of Garhwa district, Jharkhand state, India.About Dandai Garhwa JharkhandDandai a Taluka/Block/प्रखंड, is located 22 km from Garhwa. Dandai is located in south of Garhwa. It is one of the border location of Jharkhand. It's well covered by Vodafone, Airtel, Uninor, Reliance, BSNL, Aircel, Idea, Airtel 3G, like cellular networks.LanguagesLanguages spoken here include Asuri, an Austroasiatic language spoken by approximately 17 000 in India, largely in the southern part of Palamu; and Bhojpuri, a tongue in the Bihari language group with almost 40 000 000 speakers, written in both the Devanagari and Kaithi scripts.FacilitiesMarket: A small market called as Dandai bazar is situated in middle of the block.