After Kol Uprising in 1831, the parganas of Ramgarh, Kharagdiha, Kendi and Kunda became parts of the South-West Frontier Agency before being renamed to Hazaribag, which became the administrative headquarters.

Śrī Sammed Shikharji also known as the Parasnath Hills, located in Giridih district is the highest mountain peak in Jharkhand.

Nageshwar Prasad Sinha was the first MP from Giridih when the town declared as a separate district from Hazaribagh.

Ravindra Kumar Pandey from the Bharatiya Janata Party won the 2014 Indian general election from Giridih (Lok Sabha constituency) and Chandra Prakash Choudhary is the present Member of Parliament.

[7]Sudivya Kumar from Jharkhand Mukti Morcha is the current MLA from Giridih legislative seat.

There is a single passenger train which runs five times a day between the two stations and takes about an hour to reach Giridih.

There are other proposals as well to connect New Giridih with Dhanbad Junction via Tundi and Govindpur, and with Jhajha via Bengabad, Chakai and Sono.

Bus service to Ranchi, Dhanbad, Bokaro, Hazaribagh, Deoghar, Jamshedpur, Durgapur, Kolkata, Howrah, Asansol, and Patna is available.

Among the civic amenities, it had 41 km roads with both open and closed drains, the protected water supply involved tapwater from treated sources, uncovered well, overhead tank.

It had 2 recognised shorthand, type-writing and vocational training centre,1 non-formal education centre (Sarva Siksha Abhiyan), 1 special school for disabled.

Among the social, cultural and recreational facilities, it had 1 working women's hostel, 1 stadium, 4 cinema theatres, 1 auditorium/ community hall, 1 public library and reading room.

It is the largest industry in the Giridih district and major contributor to the economy of the town.

The Data Processing Center of Data Processing Division (DPD) of National Sample Survey Office (NSSO) provides complete IT solution from sample selection, software development to processing and tabulation of data canvassed through various socio-economic surveys of National Sample Survey Organisation.

Presently, there are more than a dozen Sponge Iron and Rolling Mill Factories in Giridih.

There is an Industrial Area adjacent to the city, which is full of small, medium and large Factories, these units provide employment to the locals and also to people from different parts of the country.