[4] With the expansion of the Mughal Empire, the Nagvanshis were forced to pay tribute, but they continued to rule and administer independently until the advent of the East India Company.

Thakur Vishwanath Shahdeo, Pandey Ganpat Rai, Tikait Umrao Singh and Sheikh Bhikhari played pivotal role in Indian Rebellion of 1857.

Its climate is the primary reason why Ranchi was once the summer capital of the undivided State of Bihar.

December and January are the coolest months with temperature getting to freezing point in some places of the city.

Dams in Kanke, Rukka and Hatia have been built over these channels to cater to the water requirements of majority the population.

Rapid population growth and industrialization have caused considerable change in the weather pattern and rise in average temperatures.

Ranchi sub-division is further divided into 11 blocks: Angara, Burmu, Bero, Chanho, Kanke, Lapung, Mandar, Namkum, Ormanjhi, Ratu and Silli.

According to the 2011 census Ranchi district has a population of 2,914,253,[1] roughly equal to the nation of Jamaica[10] or the US state of Arkansas.

The prominent communities in this group, in terms of the district's total population, are Oraon (18.2%), Munda (10.3%), Lohra (2.46%), Bedia (1.32%), Ghasi (1.21%), Mahli (1.09%), Dhobi (0.73%), Bhogta (0.7%), Chamar/Mochi (0.63%), Dusadh (0.36%), Pan (0.33%), Karmali (0.32%), Chik Baraik (0.32%), Dom (0.29%), Kharia (0.27%), Bhuiya (0.2%), Santal (0.19%), Turi (0.12%), Rajwar (0.11%), Gorait (0.1%), Hari/Mehtar/Bhangi (0.08%), Ho (0.07%), Binjhia (0.07%), Pasi (0.07%), and Kharwar (0.05%).

Other communities such as Gond, Birhor, Bauri, Kol, Kora, Chero, Bhumij, Kisan, Nat, Mal Paharia, Musahar, Banjara, and Asur/Agaria also have populations ranging between one thousand to a hundred.

[13] Ranchi district is headed by an IAS officer of the rank of Deputy Commissioner (DC) .