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Official Website : http://dehradun.gov.in

Headquarters : Dehradun
State : Uttarakhand

Area in Sq Km (Census 2011)
Total : 3088
Rural : 2815.7
Urban : 272.3

Population (Census 2011)
Population : 1696694
Rural : 754753
Urban : 941941
Male : 892199
Female : 804495
Sex Ratio (Females per 1000 males) : 902
Density (Total, Persons per sq km) : 549

Official language : Hindi, • Other Garhwali, English

Helplines :
Child helpline 1098
Women’s Helpline 180018041111
Police Control Room 100
Fire Brigade 101
1 Commissioner Garhwal 1368 222564 221682
135 2655981
2 District Magistrate Dehradun 135 2622389 2720025
3 ADM (E) Dehradun 135 2623819
4 ADM (F/R) Dehradun 135 2628893 2623199
5 Dy. Collector Dehradun
6 City Magistrate Dehradun 135 2722606
7 SDM Kalsi 1360 275021
8 SDM Tyuni 1360 275021
9 SDM Chakrata 1360 275021
10 SDM Vikas Nagar 135 250200
11 SDM Doiwala 135 2695020
12 SDM Sadar-Dehradun 135 2625220
13 SDM Rishikesh 135 2430007
14 SDM Mussoorie 135 2632681
15 Tehsil Kalsi 1360 276155
16 Tehsil Tyuni 1360 2385296
17 Tehsil Chakrata 1360
18 Tehsil Vikas Nagar 1360 253060
19 Tehsil Doiwala 135 2695020
20 Tehsil Dehradun (Sadar)
Public Information Officer
1 Public Information Officer Tehsil Sadar, Dehradun

Police Department
1 DIG Garhwal 135 2716201 2710925
2 Sr. Supdt. of Police (SSP) 135 2716203 2716204
3 SP City 135 2716207
4 SP Rural 135 2716209 2716203
5 SP Traffic 135 2713113

Development Department
1 CDO Dehradun 135 2712569 2712569
2 DDO, Dehradun 135 2712481 2714381
3 PD DRDA Dehradun 135 2712591 2712591
4 BDO Sahaspur 135 2697632 2697632
5 BDO Raipur 135 2781673 2781673
6 BDO Doiwala 135 2695020 2695020
7 BDO Vikas Nagar 1360 250905 250905
8 BDO Chakrata 1360 272322 272322
9 BDO Kalsi 1360 275021 275021

Population (Census 2010) :
The current world population is 7.6 billion (As of 1st July 2018)

Brief About Dehradun District
HISTORY
According to Skanda Purana, Dun formed part of the region called Kedar  Khand.

It  was included in the kingdom of Ashoka by the end of the 3rd  century  B.C.

It  is  revealed by history that for centuries the region formed part  of  the Garhwal kingdom with some interruption from Rohillas. For about two  decades till 1815 it was under the occupation of the Gorkhas.  In April 1815  Gorkhas were  ousted from Garhwal region  and Garhwal was annexed by the British.  In that  year  the  area now comprising tehsil Dehra Dun was  added  to  district Saharanpur.  In 1825, however, it was transferred to the Kumaon Division.  In 1828, Dehra Dun and Jaunsar Bhabar were placed under the charge of a  separate Deputy  Commissioner and in 1829, the Dehra Dun district was transferred  from the  Kumaon  Division to  the Meerut Division.  In 1842, Dun was  attached  to Saharanpur  district and placed under an officer subordinate to the  Collector of the district but since 1871 it is being administered as separate  district. In  1968 the district was taken out from Meerut division and included  in  the Garhwal Division.

LANGUAGES AND RELIGION

 Main languages spoken in the district are Hindu, Sindhi, Punjabi, Garhwali and Urdu.

 Religion-wise breakup of population is indicated below as per 1991 census:

  •     Hindus        :  8,74,760
  •     Muslims      :     98,748
  •     Christians   :       8,949
  •     Sikhs          :     30,417
  •     Buddhists  :        8,345
  •     Jains          :        4,159
  •     Others       :           301

TOPOGRAPHY
Dehra  Dun can be divided into two distinct tracts i.e. the montane tract  and the sub-montane tract. The  montane tract covers whole Chakrata tehsil of the district  and  consists entirely  of  a  succession of mountains and  gorges  and  comprises  Jaunsar Bhabar. The mountains are very rough with steep slopes.  The most  important features of the tract is the ridge which separates the drainage are of Tons on the west from that of Yamuna on the east.

Below the montane tract follows the sub-montane tract, which is the famous Dun valley bounded by Shivalik hills in the south and outer scarp of the  Himalayas in the north.

RIVERS, CANALS AND WATERWAYS
The Siwalik (outer and lower ranges of Himalayas) lies at its feet, the outer- scrap  of  the  Himalayas bound it on  the north and the scared  Ganga and the Yamuna skirt in on the east and the west respectively.  The Ganga enters  the district  in  the  eastern Dun at Tapoban and meandering  south-west  goes  to Hardwar via Raiwala near Rishikesh.  The Yamuna enters the district in Jaunsar and  flows  southwards  for  about 32 kms on  the  south-east  border  of  the district.   Besides  Ganga  and  yamuna, the other rivers  that  flow  in  the district are Asan, Suswa, Tons, Rispana, Bindal and Amalava.