High Quality Content by WIKIPEDIA articles! National Highway 98 (NH 98) is a National Highway in India within the states of Bihar and Jharkhand. NH-98 links Patna, the state capital of Bihar to Rajhara in Jharkhand (about 17 kilometres (11 mi) north of Daltonganj). This 207 kilometres (129 mi) long highway passes through Arwal, Daudnagar and Aurangabad.