Dinara is a CD Block in Rohtas district, Bihar, India.

The sex ratio of Dinara sub-district in 2011 was 926, which was above the Rohtas district average of 918.

The sex ratio was higher among the 0-6 age group, where it was 940, again above the Rohtas district average of 931.

119 of the block's 181 inhabited villages, Dinara among them, have electrical power, or 65.75%, the lowest proportion in Rohtas.

Dinara has permanent pucca roads, which are connected to both national and state highways.

On the block level, there are 20 villages with pucca roads, or 11.05%, the lowest proportion in Rohtas.