Water quality is known by its physical, chemical and biological characteristics. It is a measure of the conditions of water related to the requirements of one or more biotic species and to human need or purpose. The parameters for water quality are determined by its various applications in different fields. ln the present work water resources from different areas of Jodhpur city were carefully selected and studied. On the basis of their physical and chemical parameters these water resources were classified into three categories-Mild contaminated, contaminated and highly contaminated. The present study reports the maximum utilization of natural water resources of Jodhpur city in different fields.

                          Marwar the largest kingdom in Rajputana was established in 6th century. The 2 state spread over 91124 km has 22 Parganas. Based on available old records from 1657 AD onwards, administrative and census reports and maps, the tenancy system, land use and agriculture of erstwhile Marwar State has been assessed. Abolition of Jagirs and development of land tenure and land reforms are highlighted. Marwar State map of 1939 was digitized and map showing parganas and villages of different legal status has been prepared. Historical development in land use, irrigation and cropping system are worked out and mapped by analyzing data from 1900-01 to 2009-10.