The British conquered Kolhan in 1837 and consequently formed a new district Singhbhum with headquarters at Chaibasa.

The Rajas of Porhat/ Singhbhum, Seraikela and Kharswan held sway over their kingdoms under British protection.

Subsequently, Singhbhum district was divided into three subdivisions – Sadar, Dhalbhum and Seraikela.

[1][2][3] According to a PIB release in 2018, Seraikela Kharswan was not included in the list of the thirty districts most affected by Left wing extremism in the country.

[5] Hemant Soren, Chief Minister of Jharkhand, has claimed, in September 2021, that as a result of the effective action against left wing extremism, the “presence of hardcore Maoists has been limited to mainly four regions, namely Parasnath Pahar, Budha Pahar, Tri-junction of Seraikela-Khunti-Chaibasa district in Kolhan division and some of the areas along the Bihar border”.

There are hills alternating with valleys, steep mountains, deep forests on the mountain slopes, and, in the river basins, some stretches of comparatively level or undulating country.”[7] It has an elevation range of 178–209 metres (584–686 ft).

[15] According to the 2011 Census of India, Nimdih CD block had a total population of 78,639, all of which were rural.

Comparatively smaller language groups with 200+ persons as their mother-tongue are mentioned in the text.

[20] In Seraikela Kharsawan district, Scheduled Tribes numbered 255,626 and formed 24.00% of the total population.

The fund, created by the Government of India, is ”designed to redress regional imbalances in development”.

[27][28] The Asansol-Tatanagar-Kharagpur line passes through Adityapur, Chandil and Nimdih CD blocks of Seraikela Kharsawan district.

There are stations at Adityapur, Gamharia, Birajpur, Kandra, Kunki, Manikul, Chandil and Nimdih.

not included Ambalika, a NGO, has been working amongst the Sabar tribe in Nimdih block.