Mani is a village near Bikramganj, in the Rohtas district of Bihar state, India.

The total population of the village is 4,455 as per 2011 Census of India, spread across 558 hectares.

[1] The area of the village is divided into multiple tolas, that collectively hold more than 700 households.

The village is located on the banks of Kao river and is 10km from the sub-district headquarters Bikramganj (tehsildar office).

[2] The list of villages include:[3] Mani is connected with nearby cities via roads and railway lines, including the Ara–Sasaram DEMU, connecting it to Sasaram and Arrah.