J.B. Kripalani, Industrialist Jamnalal Bajaj and other leaders of the Indian freedom movement attended the Ramgarh Session. Mahatma Gandhi also opened khadi and village Industries Exhibition at Ramgarh. At that time, under the leadership of Netajee Subhas Chandra Bose, a conference against Samjhauta was also completed. In Ramgarh, Subhsha Chandra Bose was seen as president of All India Forward Block and M.N. Roy was seen as leader of the radical democratic party. Post-independence After independence in 1947, the territory of the present-day Ramgarh district became a part of erstwhile Hazaribagh district. In 1952 Ramgarh Block was created and in 1991 Ramgarh Subdivision was formed. Sikh Regimental Centre was shifted from Merrut to Ramgarh Cantonment in 1976. On 12 September 2007, Ramgarh was made a district consisting of Ramgarh, Gola, Mandu and Patratu Block, taking the total count of districts in the state to 24. On 13 September 2012, Ramgarh become the first district in the country where payment of government schemes like KCC and Indra Awash was done through UID or Aadhaar cards. Physiography and rivers Physiography The district is a part of Chotanagpur plateau. Important physiographic regions of the district are Damodar Trough or Upper Damodar basin or Damodar Valley. The majority of the district falls in the Damodar Valley. Damodar Valley is bounded by Hazaribag Plateau in north and Ranchi Plateau in south. Ranchi and Hazaribag plateau is separated by east–west running Damodar Valley. Barka Pahar (Marang Buru) high above sea level located along the Ramgarh-Ranchi border is probably the highest peak, and it also separates the districts. Rivers and river basins Damodar is the main river of the district and it also forms a major river basin, comprising a number of tributaries. Important amongst them are: Naikari, Bhervi or Bhera and Bokaro river. In Hindu mythology and folklore Damodar is a Nad means Male River. Small rivers include the Hurhuri, Gomti, Barki, Kurum, Kochi, Sherbhuki, and Dhobdhab rivers. Suwarn Rekha River flow south eastern part of district. Tributaries of Suwarn Rekha River include Kadamgara and Khatgara. Waterfalls Rajrappa Fall is on the confluence of the Bhairavi (Bhera) and Damodar Rivers. Nalkari Dam is in Patratu. Geology and mineral resources The district holds a strong position on the mineral map of the country. The district is endowed with a large and rich deposit of coal and coalbed methane (CBM) and also possesses various other minerals like limestone as